Equity Component [Domain]
Noncontrolling interests
Noncontrolling Interest [Member]
Other comprehensive income / (loss)
Other comprehensive income / (loss)
Other Comprehensive Income (Loss), Net of Tax
Net income / (loss)
Net loss
Profit / (loss) from intersegment sales
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Accumulated deficit
Retained Earnings [Member]
Balance (in shares)
Balance (in shares)
Shares, Outstanding
Class of Stock [Axis]
Equity Components [Axis]
Statement [Line Items]
Statement
Consolidated Statements of Changes in Shareholders' Equity
Statement [Table]
Balance
Balance
Total shareholders' equity
Equity, Including Portion Attributable to Noncontrolling Interest
L1 and Anson Facilities, shares
Stock Issued During Period, Shares, Other
Net cash provided by (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Effect of exchange rate changes on cash and cash equivalents
Share subscription in progress
Share Subscription in Progress
Share Subscription in Progress
Total stockholders' equity
Total Stockholders' Equity
Total Stockholders' Equity
Cash Flows from investing activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Common Stock issuance costs
Payments of Stock Issuance Costs
Reconciliation to balance sheet
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract]
Cash and cash equivalents
Cash and Cash Equivalent
Cash paid for interest, net of amounts capitalized
Income Taxes Paid, Net
Balance, end of period
Balance, end of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Common Shares
Common Shares [Member]
Bad debt expense
Interest and Debt Expense, Total
Increase (decrease) in defined benefit pension liability, net of unrealized gains and losses
Increase (Decrease) in Obligation, Pension Benefits
L1 and Anson Facilities
Stock Issued During Period, Value, Other
Acquisition of Wecan Group
Stock Issued During Period, Value, Acquisitions
Net increase (decrease) during the period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Decrease (increase) in other noncurrent assets and prepaids, net
Increase (Decrease) in Other Noncurrent Assets
Increase (decrease) in accounts payable
Options exercised and acquisition of common stock for tax withholding obligations
Stock Issued During Period, Value, Stock Options Exercised And Shares Withheld for Tax Withholding Obligation
Value of stock issued as a result of the exercise of stock options and tax withholding obligation under share-based payment arrangement.
Change in ownership of SEALCOIN
Adjustments To Additional Paid In Capital, Change in Ownership
Amount of increase (decrease) to additional paid in capital (APIC) resulting from change in ownership.
Investment in WeCan Group
Adjustments To Additional Paid In Capital, Investments
Amount of increase (decrease) in additional paid in capital (APIC) resulting from investments.
Income tax expense / (recovery)
Deferred Income Tax Expense (Benefit)
Change in income tax receivable, withholding tax
Increase (Decrease) in Income Taxes Receivable
Unrealized and non-cash foreign currency transactions
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Treasury Shares
Treasury Stock, Common [Member]
Increase (decrease) in income taxes payable
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
Increase (decrease) in other current liabilities, excluding stock-based compensation liability
Increase / (decrease) in other current liabilities, excluding stock-based compensation liability
Increase (Decrease) in Other Current Liabilities
Increase (decrease) in other noncurrent liabilities
Increase (Decrease) in Other Noncurrent Liabilities
Net cash provided by (used in) operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash provided by (used in) investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Cash Flows from financing activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Depreciation of property, plant & equipment
Depreciation charge for the year
Depreciation
Amortization of intangible assets
Amortization charge for the year
Amortization of Intangible Assets
Impairment loss on crypto assets
Asset, impairment loss
Asset Impairment Charges
Options exercised and acquisition of common stock for tax withholding obligations (in shares)
Stock Issued During Period, Shares, Stock Options Exercised And Shares Withheld for Tax Withholding Obligation
Number of shares issued as a result of the exercise of stock options and tax withholding obligation under share-based payment arrangement.
Share Purchase Agreements and warrants (Second Anson SPA and Second L1 SPA and warrants)
Adjustments To Additional Paid In Capital, Share purchase Arrangements And Warrants
Amount of increase (decrease) in additional paid in capital (APIC) resulting from share purchase arrangements and warrants.
Securities Purchase Agreements
Adjustments To Additional Paid In Capital, Share purchase Arrangements
Amount of increase (decrease) in additional paid in capital (APIC) resulting from share purchase arrangements.
Warrant exercises
Adjustments To Additional Paid In Capital, Warrant Exercises
Amount of increase (decrease) to additional paid in capital (APIC) resulting from warrant exercises.
Fair value measurements
Fair Value Disclosures [Text Block]
Cash and Cash Equivalents [Abstract]
Government Assistance [Abstract]
Government assistance
Government Assistance [Text Block]
Other Current Assets [Abstract]
Other current assets
Other Current Assets [Text Block]
Deferred Tax Credits [Abstract]
Deferred tax credits
Deferred Tax Credits [Text Block]
The entire disclosure for deferred tax credits.
Property, Plant and Equipment [Abstract]
Available-for-Sale Debt Securities, Noncurrent [Abstract]
Increase (decrease) in deferred revenue
Increase (Decrease) In Deferred Income, Current
Amount of increase (decrease) in deferred income classified as current.
Increase (decrease) in deferred revenue, noncurrent
Increase (Decrease) In Deferred Income, noncurrent
Amount of increase (decrease) in deferred income classified as noncurrent.
Acquisition of a business, net of cash and cash equivalents acquired
Payments to Acquire Businesses, Net of Cash Acquired
Acquisition of unconsolidated affiliate
Cash consideration
Payments to Acquire Equity Method Investments
Proceeds from options and warrants exercises
Proceeds from Stock Options Exercised
Proceeds from issuance of Common Stock
Proceeds from Issuance of Common Stock
The WISeKey Group
Nature of Operations [Text Block]
Loss / (gain) on remeasurement of equity interest
Loss / (Gain) on Remeasurement of Equity Interest
Loss / (gain) on remeasurement of equity interest.
Condensed Consolidated Statements of Cash Flows
Stock-based compensation
Share-Based Payment Arrangement, Noncash Expense
Increase (decrease) in defined benefit pension liability, net of unrealized gains and losses
Defined Benefit Plan, Gain (Losses), Net Of Unrealized Gain And Losses
Amount of gain (losses) net of unrealized gain and losses for defined benefit plan.
Decrease (increase) in government assistance
Increase Decrease Government Assistance Amount
Increase (Decrease) in amount of government assistance recognized.
Investments in unconsolidated affiliates
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Accounts Payable [Abstract]
Impacts of ongoing conflicts
Impact of Geopolitical Conflicts [Text Block]
This narrative disclosure describing the actual or potential impacts of geopolitical conflicts, including wars, regional tensions, sanctions, or related disruptions, on the entity's operations, financial condition, results of operations, liquidity, supply chain, or business outlook.
Non-operating income
Nonoperating Income [Text Block]
The entire disclosure for the components of non-operating income, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income.
Non-Operating Expenses [Abstract]
No definition available.
Revenue
Revenue from Contract with Customer [Text Block]
Other Operating Income [Abstract]
Other operating income
Other Operating Income and Expense [Text Block]
Stock-Based Compensation [Abstract]
Stock-based compensation
Share-Based Payment Arrangement [Text Block]
Non-Operating Income [Abstract]
No definition available.
Earnings / (Loss) per share [Abstract]
Earnings / (Loss) per share
Earnings Per Share [Text Block]
Legal proceedings
NA.
Legal proceedings
Legal Matters and Contingencies [Text Block]
Related Parties Disclosure [Abstract]
Related parties disclosure
Related Party Transactions Disclosure [Text Block]
Subsequent events [Abstract]
Accounts payable
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Other Current Liabilities [Abstract]
Other current liabilities
Other Liabilities Disclosure [Text Block]
Bonds, Mortgages and Other Long-Term Debt [Abstract]
Revenue [Abstract]
Business Combination, Intangible Asset, Acquired, Finite-Lived [Table]
Business Combination [Axis]
Business Combination [Domain]
Business Combination
Business Combination, Pro Forma Information [Line Items]
Revenue
Business Combination, Pro Forma Information, Pro Forma Revenue
Net income (loss)
Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax
Fair Value Measurements [Abstract]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Measurement Basis [Axis]
Portion at Fair Value Measurement [Member]
Carrying amount
Reported Value Measurement [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value level 1
Fair Value, Inputs, Level 1 [Member]
Schedule of Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Schedule of Disaggregated by Geography Areas
Revenue from External Customers by Geographic Areas [Table Text Block]
Schedule of Contract Assets Deferred Revenue and Contract Liability
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Schedule of Estimated Revenue from Remaining Performance Obligations
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Schedule of Assumptions Used to Estimate the Fair Value of Stock Options
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Group's Non-Vested Option Activity
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of Group's Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Schedule of Stock-Based Compensation Expenses
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Measurement Frequency [Axis]
Measurement Frequency [Domain]
Recurring fair value measurements
Fair Value, Recurring [Member]
Asset Class [Axis]
Asset Class [Domain]
Available-for-sale debt securities, noncurrent
Available For Sale Debt Securities [Member]
Represents the information pertaining to available-for-sale debt securities.
Investment, current
Investments [Member]
Business Combination [Abstract]
Business Combination [Table]
Crypto assets
Business Combination Recognized Asset Acquired Crypto Assets
Crypto assets.
Accounts receivable
Business Combination, Recognized Asset Acquired, Receivable, Current
Total assets acquired, excluding goodwill
Business Combination, Recognized Asset Acquired, Asset, Total
Deferred income tax liability
Business Combination, Recognized Liability Assumed, Deferred Tax Liability
Other current liabilities
Business Combination, Recognized Liability Assumed, Other Liability, Current
Deferred revenue
Business Combination, Recognized Liability Assumed, Deferred Revenue, Current
Schedule of Expected Future Cash Flows
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Fair Value level 2
Fair Value, Inputs, Level 2 [Member]
Fair Value level 3
Fair Value, Inputs, Level 3 [Member]
Fair value of noncontrolling interests (“NCI”)
Fair Value of Noncontrolling Interests NCI
Fair value of noncontrolling interests.
Aggregate acquisition-date fair value, including NCI
Aggregate acquisition-date fair value, including NCI
Aggregate Acquisition Date Fair Value Including NCI
Aggregate acquisition-date fair value, including NCI.
Schedule of Total Consideration Acquisition-Date Fair Value [Abstract]
Allowance for credit losses
Accounts Receivable, Allowance for Credit Loss, Current
Accounts receivable from other related parties
Amount, after allowance for credit loss, of accounts and financing receivable. Includes, but is not limited to, notes and loan receivable.
Accounts receivable from board members
Amount, after allowance for credit loss, of accounts and financing receivable. Includes, but is not limited to, notes and loan receivable.
SEALSQ Corp [Member]
SEALSQ Corps [Member]
SEALSQ Corp [Member]
Business Combinations
Business Combination [Policy Text Block]
Related and Nonrelated Parties [Domain]
Related Party [Member]
Related parties
Related Party [Member]
Intangible Asset, Indefinite-Lived, Class [Axis]
Intangible Asset, Indefinite-Lived, Class [Domain]
Trade Names [Member]
Technology [Member]
Ownership percentage
Equity Method Investment, Ownership Percentage
Consideration amount
Total acquisition cost paid in cash
Asset Acquisition, Consideration Transferred, Total
Investments
Other Investments, Total
Subscription capital increase
Subscription Capital Increase
The amount of subscription capital increase.
Increase in Ownership Percentage
The rate of increase in ownership percentage.
Outstanding ordinary shares diluted basis
Outstanding Ordinary Shares Diluted Basis
The rate of outstanding ordinary shares diluted basis.
Fair value of newly acquired interest
Equity Issued in Business Combination, Fair Value Disclosure
Goodwill expected to be deductible for income tax purposes.
Business Combination, Goodwill, Expected Tax Deductible, Amount
Accounts receivable from underwriters, promoters, and employees
Amount, after allowance for credit loss, of accounts and financing receivable. Includes, but is not limited to, notes and loan receivable.
Other accounts receivable
Other receivables, net, current
Other Receivables, Net, Current
Total accounts receivable, net of allowance for credit losses
Accounts receivable, net of allowance for credit losses
Accounts Receivable, after Allowance for Credit Loss, Current
Schedule of Ownership Interest in Subsidiaries on Equity
Schedule of Other Ownership Interests [Table Text Block]
Segment Reporting
Segment Reporting, Policy [Policy Text Block]
International Computer and Hardware Manufacturer [Member]
International Distributor of Semiconductors, Electronics [Member]
Restricted cash
Business Combination Recognized Asset Acquired Restricted Cash
Business combination restricted cash.
Technology
Business Combination Recognized Asset Acquired Technology
Business combination technology.
Trademarks
Business Combination Recognized Asset Acquired Trademarks
Business combination trademarks.
Cash and cash equivalents
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Prepaid expenses and other current assets
Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current
Schedule of Debt
Schedule of Debt [Table Text Block]
Schedule of Aggregate Contractual Principal Maturities of Debt
Schedule of Maturities of Long-Term Debt [Table Text Block]
Segments [Axis]
Segments [Domain]
Semiconductors segment [Member]
Semiconductors Segment
Semiconductors Segment
Percentage of concentration risk
Concentration Risk, Percentage
Maximum amount of loss due to credit risk
Accounts Receivable, Fair Value Disclosure
Schedule of Total Consideration Acquisition-Date Fair Value
Business Combination [Table Text Block]
Stock-Based Compensation [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-Based Compensation [Table]
Stock-based compensation [Table]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Schedule of Estimated Useful Lives
Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block]
Schedule of Pro Forma Consolidated Financial Information
Business Combination, Pro Forma Information [Table Text Block]
Schedule of Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Concentration of Credit Risks [Abstract]
Schedule of Revenue and Receivables Concentration
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Concentration Risk Benchmark [Domain]
Revenue Benchmark [Member]
Accounts Receivable [Member]
Concentration of credit risks
Concentration Risk [Line Items]
Remeasurement Loss
The amount of remeasurement loss.
Net acquisition date loss
Net Acquisition-Date Loss
The amount of net acquisition date loss.
Accumulated other comprehensive income / (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Stockholders' Equity [Abstract]
Schedule of Stockholders' Equity
Schedule of Stock by Class [Table Text Block]
Schedule of Other Operating Income
Other Operating Income - Schedule of Other Operating Income
Tabular disclosure of other operating income.
Schedule of Nonoperating Income
Schedule of Nonoperating Income [Table Text Block]
Tabular disclosure of the detailed components of nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.
Schedule of Nonoperating Expense
Schedule of Nonoperating Expense [Table Text Block]
Tabular disclosure of the detailed components of nonoperating expenses. This disclosure may include methodology, assumptions and amounts for : (a) losses on securities (net of profits) and (b) miscellaneous income deductions.
Schedule of Other Segment Items for Each Reportable Segment are Made Up of Non-Operating Expenses
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
Schedule of Geographic Information for Net Sales Based on the Billing Address of the Customer, and for Property, Plant and Equipment
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Schedule of computation of basic and diluted net earnings / (loss) per share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Crypto assets
Crypto Assets [Member]
Represents the information pertaining to crypto assets.
Disaggregation of Revenue [Table]
SEALSQ France SAS [Member]
SEALSQ France SAS
SEALSQ France SAS
Property, Plant and Equipment [Table]
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
Buildings and leasehold improvements
Buildings and Leasehold Improvements [Member]
Represents the member information pertaining to buildings and leasehold improvements.
Ending balance ETH and POL
Beginning balance at fair value
Crypto assets measured at fair value
Crypto Asset, Fair Value, Noncurrent
Schedule of Future Amortization Charges [Abstract]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2026
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year
2027
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One
2028
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two
Net lease cost
Net lease cost
Lease, Cost
Additions to ROU assets obtained from:
Lease, Cost [Abstract]
New operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
New finance lease liabilities
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability
Leases [Abstract]
Operating leases
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Finance leases
Finance lease right-of-use assets
Finance Lease, Right-of-Use Asset, after Accumulated Amortization
Accumulated currency translation adjustment
Goodwill, Accumulated Translation Adjustment
Represents the amount of accumulated translation adjustment for goodwill.
Goodwill balance, end of period
Goodwill balance, beginning of period
Goodwill
Goodwill
Goodwill [Abstract]
Stamp duty liability
Stamp Duty Liability, Current
Amount of stamp duty payable to tax authorities as of the reporting date that is due within one year (or within the entity's operating cycle, if longer). This represents statutory transaction-based taxes imposed on legal documents or instruments and classified as a current liability.
Customer contract liability, current
Contract with Customer, Liability, Current
Stock-based compensation liability, current
Deferred Compensation Share-Based Arrangements, Liability, Current
Other current liabilities
Other Sundry Liabilities, Current
Total other current liabilities
Other current liabilities
Other Liabilities, Current
Latin America [Member]
Latin America [Member]
Schedule of Contract Assets, Deferred Revenue and Contract Liability [Line Items]
Disaggregation of Revenue [Line Items]
Total revenue
Net sales
Revenues
Total contract liabilities
Contract with Customer, Liability
Deferred Revenue
Deferred Revenue [Abstract]
Total deferred revenue
Deferred Revenue
Revenue recognized in the period from amounts included in the deferred revenue at the beginning of the year
Deferred Revenue, Revenue Recognized
Related Party Transaction [Table]
Related and Nonrelated Parties [Axis]
Related Party Transaction [Line Items]
Related Parties Disclosure [Line Items]
Number of Shares Acquired
Number of shares acquired.
Unrealized losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Fixed rent expense
Operating Lease, Cost
Variable lease cost
Variable Lease, Cost
Short-term lease cost
Short-Term Lease, Cost
Lease cost - Cost of sales
LeaseCostCostOfSales
The amount of lease cost of sales.
Lease cost - General & administrative expenses
LeaseCostGeneralAdministrativeExpenses
The amount of lease cost - general & administrative expenses.
Loan carrying amount
Long Term Debt Amount
Amount, after deduction of unamortized premium.
Segment Reporting [Abstract]
Number of Operating Segments
Number of Reportable Segments
Deposits, current
Deposits Assets, Current
Customer contract assets, current
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Other current assets
Other Assets, Miscellaneous, Current
License fee payable
License Fees payable
Amount of unpaid license fees owed by the entity to counterparties as of the reporting date, representing total contractual obligations outstanding under license arrangements, irrespective of classification as current or noncurrent.
License fees payable, current
License Fees Payable, Current
Portion of unpaid license fees that is due within one year (or within the entity's operating cycle, if longer) from the reporting date.
License fees payable, noncurrent
License Fees Payable, Noncurrent
Portion of unpaid license fees that is due beyond one year (or beyond the entity's operating cycle, if longer) from the reporting date.
Loss from changes in fair value
Crypto asset, unrealized gain
Crypto Asset, Unrealized Gain, Nonoperating
2029
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three
2030 and beyond
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four
Total intangible assets subject to amortization, net
Finite-Lived Intangible Assets, Net
Cash paid for amounts included in the measurement of lease liabilities:
Cash paid for amounts included in the measurement of lease liabilities:
Cash Paid for Amounts included in Measurement of Lease Liabilities
Operating cash flows from operating leases
Operating Lease, Payments, Use
Financing cash flows from finance leases
Finance Lease, Principal Payments
Non-cash investing and financing activities:
Noncash Investing and Financing Items [Abstract]
Schedule of Goodwill [Line Items]
Indefinite-Lived Intangible Assets [Line Items]
Goodwill acquired during the year
Goodwill, Acquired During Period
Trade creditors
Accounts Payable, Trade, Current
Accounts payable to Board Members
Accounts Payable and Other Accrued Liabilities, Current
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Crypto Asset [Axis]
Crypto Asset [Domain]
Ethereum (ETH), Polygon (POL) [Member]
USDC Tokens and Related Market Maker Receivable [Member]
USDC tokens and related market-maker receivable [Member]
Risk-free interest rate used (average)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Stock, Class of Stock [Table]
Crypto Asset, Sale
Sale of crypto assets
Fair value of assets acquired
Fair Value of Assets Acquired
Cash
WeCan Tokens [Member]
WISeSAT.Space Iberica [Member]
Employer contribution amount
Employer contributions paid in the period
Defined Benefit Plan, Plan Assets, Contributions by Employer
Defined Benefit Plan [Table]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Other Postretirement Benefits Plan [Member]
Employee Benefit Plans [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Ordinary Shares [Member]
Common Stock [Member]
Common Stock
Convertible notes [Member]
Convertible Notes Payable [Member]
Debt [Line Items]
Debt Instrument [Line Items]
Total loans
Debt Excluding Related Party Payables, Total
Represents the aggregate of debt excluding payables to related party.
2026
Long-Term Debt, Maturity, Year One
Class of Stock [Domain]
Equity securities, at cost
Investment In Simple Agreement for Future Equity
Cost of investment in simple agreement for future equity.
Investments in Unconsolidated Affiliates [Abstract]
Stockholders' equity
Class of Stock [Line Items]
Stock-Based Compensation [Line Items]
Treasury shares purchased
Treasury Stock, Shares, Acquired
Total intangible assets, net
Intangible and crypto assets, net of accumulated amortization
Intangible Asset, Excluding Goodwill, after Accumulated Amortization
Intangible Assets [Abstract]
Crypto Asset, Holding [Table]
Ethereum [Member]
Ethereum [Member]
Represents the member information pertaining to Ethereum (ETH).
POL [Member]
Polygon [Member]
Represents the member information pertaining to Polygon (POL).
Intangible Assets [Line Items]
Crypto Asset, Holding [Line Items]
Total right-of-use assets
Right of Use Assets
Amount, after accumulated amortization, of right-of-use assets from leases.
Operating leases
Lease liabilities recognized
Operating Lease, Liability
Finance leases
Lease liabilities recognized
Finance Lease, Liability
Total lease liabilities
Lease Liabilities
Present value of lessee's discounted obligation for lease payments from leases.
Less effects of discounting
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Finance
Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
2026
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year
2027
Finance Lease, Liability, to be Paid, Year One
2028
Finance Lease, Liability, to be Paid, Year Two
2029
Finance Lease, Liability, to be Paid, Year Three
2029
Lessee Lease Liability To Be Paid Year Three
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
2030 and beyond
Lessee Lease Liability To Be Paid After Year Three
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Total future minimum operating and finance lease payments
Lessee, Lease Liability, to be Paid
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease.
Less effects of discounting
Lessee, Lease Liability, Undiscounted Excess Amount
Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating and finance lease.
Lease liabilities recognized
Lease Liability
Present value of lessee's discounted obligation for lease payments from operating and finance lease.
Weighted-average remaining lease term - operating
Operating Lease, Weighted Average Remaining Lease Term
Standard assurance type warrant term
Standard Assurance Type Warrant Term
Period of standard assurance type warrant in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Liability recognized for potential warranty claims
Warrants and Rights Outstanding
ASIC Segment [Member]
Application Specific Integrated Circuit [Member]
The member represents the Application Specific Integrated Circuit.
Miraex borrowings [Member]
COVID-19 loans [Member]
Covid 19 Loans [Member]
Represents information pertaining to COVID-19 loans.
L1 Subscription Agreement [Member]
Voting rights percentage
Share Repurchase Program, Percentage Of Voting Rights Authorized For Repurchase
Maximum percentage of voting rights authorized for repurchase under share repurchase program.
Shares purchased through share buyback program
Stock Repurchased During Period, Shares
Class B Common Stock [Member]
Class B Common Stock
Common Class B [Member]
Class A Common Stock [Member]
Class A Common Stock
Common Class A [Member]
Class F Common Stock [Member]
Common Class F [Member]
Classification of common stock that has different rights than Common Class F, representing ownership interest in a corporation.
Currency translation adjustment
Goodwill, Foreign Currency Translation, Gain (Loss)
Impairment losses
Goodwill, Impairment Loss
Goodwill
Goodwill, Gross
Counterparty Name [Domain]
Finance lease cost
Finance Lease, Right-of-Use Asset, after Accumulated Amortization [Abstract]
Total other current assets
Other current assets
Other Assets, Current
Schedule of Other Current Assets [Abstract]
Series B1A Shares [Member]
Series B One A shares [Member]
Machinery & equipment
Machinery, equipment and production tools [Member]
Other Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross
Property, Plant and Equipment, Gross
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Total property, plant and equipment, net
Property, plant and equipment
Property, plant and equipment net of accumulated depreciation
Property, Plant and Equipment, Net
Technology
Technology [Member]
Technology-Based Intangible Assets [Member]
Share capital, percentage
share capital
Aggregate offering price
Aggregate offering price
Available for future sales
Proceeds from Sale, Loan, Mortgage, Held-for-Sale
Common stock issued (in shares)
Stock Issued During Period, Shares, New Issues
Pre-funded warrants
Class of Warrant or Right, Outstanding
Aggregate gross proceeds
Proceeds from Issuance of Warrants
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Domain]
Revenuw Two Thousand Twenty Six [Member]
Revenue Two thousand Twenty Seven [Member]
Revenue Two thousand twenty eight [Member]
Intangible Asset, Finite-Lived [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Total crypto assets, net
Crypto Asset, Fair Value
Total future minimum operating and finance lease payments
Lessee, Operating Lease, Liability, to be Paid
Total future minimum operating and finance lease payments
Finance Lease, Liability, to be Paid
Less effects of discounting
Finance Lease, Liability, Undiscounted Excess Amount
Total
Leases, Liability, to be Paid, Fiscal Year Maturity [Abstract]
2026
Lessee Lease Liability To Be Payments Reminder of Fiscal Year
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Investment, Name [Domain]
Crypto asset, number of units
Crypto Asset, Number of Units, Total
Carrying amount
Carrying Amount
The amount of carrying amount.
Crypto asset, cost
Crypto Asset, Cost, Total
Employee Benefit Plans [Abstract]
Commitments and Contingencies [Line Items]
Product Warranty Liability [Line Items]
Quantix Edge Security, S.L. [Member]
Quantix Edge Security, S.L. [Member]
Represents information pertaining to Quantix Edge Security, S.L.
Investments in unconsolidated affiliates
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments
Equity in earnings of unconsolidated entities
Income (Loss) from Equity Method Investments
Investment in unconsolidated affiliates
Equity Method Investments
Impairment on investment in unconsolidated affiliates
Equity Method Investment, Other-than-Temporary Impairment
WISeKey SA
WISeKey SA [Member]
WISeKey SA
Net gain on reclassification and remeasurement of stock option from equity to liability
Share Based Compensation Liability, Remeasurement Gain
Represents the gain recognized in the income statement resulting from the remeasurement to fair value of liability-classified share-based payment awards during the reporting period.
Unrecognized compensation expense related to non-vested stock option-based compensation arrangements.
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Subsequent Event [Table]
Non-vested options, Weighted-average grant date fair value at the beginning
Non-vested options, Weighted-average grant date fair value at the ending
Weighted-average exercise price, Of which non-vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price
Eric Pellaton [Member]
Eric Pellaton
Eric Pellaton
Hossein Rahnama [Member]
Hossein Rahnama
OISTE [Member]
OISTE
OISTE
Terra Ventures Inc [Member]
Terra Venetures Inc.
Terra Venetures Inc.
GSP Holdings Ltd [Member]
GSP Holdings Ltd
GSP Holdings Ltd
SAI LLC (SBT Ventures) [Member]
SAI LLC (SBT Ventures)
SAI LLC (SBT Ventures)
Basic weighted average loss per Share attributable to WISeKey International Holding Ltd
Earning per Share attributable to WISeKey International Holding Ltd - Basic
Earnings Per Share, Basic, Attributable To Parent
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period attributable to parent.
Basic weighted average loss per Share attributable to WISeKey International Holding Ltd
Earning per Share attributable to WISeKey International Holding Ltd - Diluted
Earnings Per Share, Diluted, Attributable To Parent
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period attributable to parent
Segment information and geographic data
Revenues from External Customers and Long-Lived Assets [Line Items]
Asset Acquisition [Abstract]
Schedule of Total Acquisition Cost
Asset Acquisition [Table Text Block]
Asset Acquisition, Consideration Transferred [Abstract]
Asset Acquisition [Table]
Asset Acquisition [Axis]
Asset Acquisition [Domain]
Asset Acquisition [Line Items]
Base purchase price
Asset Acquisition, Consideration Transferred, Base Purchase Price
Amount of base purchase price recognized as part of consideration transferred in asset acquisition.
Amounts paid to third-party convertible-loan holders
Asset Acquisition, Consideration Transferred, Amounts Paid to Third-Party Convertible-Loan Holders
Amount of payment to third-party convertible-loan holders as part of consideration transferred in asset acquisition.
Direct transaction costs
Asset Acquisition, Consideration Transferred, Transaction Cost
Acquisition of Miraex's Photonic Integrated Circuit Technologies [Member]
Acquisition Of Miraex's Photonic Integrated Circuit Technologies [Member]
Basis of Presentation [Abstract]
No definition available.
Schedule of Statement of Comprehensive Income Loss
Comprehensive Income (Loss) [Table Text Block]
Schedule of Statement of Cash Flow
Condensed Cash Flow Statement [Table Text Block]
Total consolidated revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Revenue before inter segment eliminations
Revenue from Contract with Customer, Excluding Assessed Tax Before Inter Segment Eliminations
The total revenue recognized under ASC 606 from contracts with customers, excluding any taxes collected on behalf of third parties (e.g., sales tax, VAT), measured before eliminating intersegment transactions for consolidation purposes.
Cost of revenue
Cost of Revenue
Gross Profit
Gross profit
Operating Expenses
Total operating expenses
Segment assets
TOTAL ASSETS
Assets
Schedule of Segment Reporting Information, by Segment [Table]
Consolidation Items [Axis]
Consolidation Items [Domain]
Operating segments
Operating Segments [Member]
Corporate
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Geographical [Axis]
Geographical [Domain]
Switzerland [Member]
SWITZERLAND
Rest of EMEA
Europe, Middle East and Africa [Member]
EMEA [Member]
North America [Member]
North America [Member]
Asia Pacific [Member]
Asia Pacific [Member]
Interest expense
Interest Expense, Nonoperating
Other components of defined benefit plans, net
Defined Benefit Plan, Other Cost (Credit)
Other Noncurrent Assets [Abstract]
Other noncurrent assets
Investments and Other Noncurrent Assets [Text Block]
Notes Payable [Abstract]
Notes payable
Short-Term Debt [Text Block]
Asset acquisition
Asset Acquisition [Text Block]
Total non-operating expenses
Nonoperating Expenses
NonoperatingExpenses
Statements [Table]
Statement of Stockholders' Equity [Table]
Plan Name [Domain]
John O'Hara [Member]
John O'Hara
John O'Hara
Peter Ward [Member]
Peter Ward
Peter Ward
Earnings / (loss) per share
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss attributable to WISeKey International Holding Ltd
Net earnings / (loss) attributable to WISeKey International Holding Ltd (USD'000)
Weighted Average Number of Shares Outstanding, Basic
Office equipment and furniture [Member]
Office Equipment [Member]
Production masks [Member]
Exploration and Production Equipment [Member]
Probe cards [Member]
Probe Cards
Probe Cards
Loss before income tax expense
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Business Combination, Voting Equity Interest Acquired, Percentage
Issued and outstanding shares percentage
Miraex SA [Member]
Conditional Share Capital - Total number of conditional shares
Conditional Share Capital - Total number of conditional shares
The number of common stock conditional shares.
Total number of fully paid-in shares
Total number of fully paid-in shares
The number of common stock fully paid in shares.
SEALSQ Crop [Member]
Contractual prepayment
Contractual Prepayment
Amount of contractual prepayment.
Quobly [Member]
Scenario [Domain]
Forecast [Member]
Loss on remeasurement of previously held equity interest
Loss on remeasurement of previously held equity interest
Loss on remeasurement of previously held equity interest
Derecognition of WECAN Tokens Upon Consolidation of WECAN
Derecognition of WECAN tokens upon consolidation of Wecan
Derecognition of WECAN Tokens Upon Consolidation of WECAN
Derecognition of Wecan Tokens Upon Consolidation of Wecan
Schedule of Stock Option Activity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding at the beginning of the period
Outstanding at the end of the period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Shares under options, Of which vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Weighted-average exercise price at the beginning of the period
Weighted-average exercise price at the end of the period
Exercise price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Award Type [Axis]
Foreign exchange gain
Foreign Currency Transaction Gain, before Tax
Gains from the remeasurement of crypto assets
Crypto Asset, Realized Gain, Nonoperating
Unrealized gains on investment
Unrealized Gain (Loss) on Investments
Financial income
Financial Income, Nonoperating
Represents income earned from financial assets and financing activities, including interest income, investment income, fair value gains, and foreign exchange gains, presented as a single aggregated non-operating income line item.
Interest income
Investment Income, Interest
Gain on repayment of ExWorks Loan
Gain (Loss) On Repayments Of Debt
Amount of gain (loss) recognized on repayments of debt.
Photonic Integrated Circuit Technology [Member]
Schedule of Expected Future Cash Flows [Abstract]
Net service cost
Defined Benefit Plan, Service Cost
Interest cost / (credit)
Defined Benefit Plan, Interest Cost
Expected return on assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization on net (gain) / loss
Accumulated Other Comprehensive Income Loss Defined Benefit Plan Increase Decrease From Currency Translation Adjustment After Tax
Amount, after tax, of accumulated other comprehensive income (loss) for currency translation adjustment of defined benefit plan.
Amortization of prior service cost / (credit)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
CTA
Defined Benefit Plan Acquisition Foreign Currency Translation Gain Loss
Amount of foreign currency translation gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan, for acquisition.
Total net periodic benefit cost / (credit)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax, Total
Total Cashflow
Defined Benefit Plan Business Combination
Amount of increase in defined benefit plan from business combination.
Cash and cash equivalents
Asset Acquisition, Recognized Asset Acquired, Cash and Cash Equivalents
Amount of cash and cash equivalents acquired in asset acquisition.
Inventory
Asset Acquisition, Recognized Asset Acquired, Inventory
Amount of inventory acquired in asset acquisition.
Other receivables
Asset Acquisition, Recognized Asset Acquired, Other Receivables
Amount of other receivables acquired in asset acquisition.
Other assets
Asset Acquisition, Recognized Asset Acquired, Other Assets
Amount of other assets acquired in asset acquisition.
Total assets acquired
Asset Acquisition, Recognized Asset Acquired, Assets Total
Amount of assets acquired in asset acquisition.
Deferred income tax liability
Deferred income tax liability
Asset Acquisition, Recognized Liability Assumed, Deferred Income Tax Liability
Amount of deferred income tax liability assumed in asset acquisition.
Financial liabilities
Asset Acquisition, Recognized Liability Assumed, Financial Liabilities
Amount of financial liabilities assumed in asset acquisition.
Schedule of Statements of Changes in Shareholders’ Equity
Schedule of Stockholders Equity [Table Text Block]
Income Statement [Abstract]
Nonoperating Income (Expense), Total
Nonoperating Income (Expense), Total
Non-vested options, Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares
Non-vested options, Weighted-average grant date fair value, Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
Aggregate convertible notes
Proposed Acquisition, Target Debt Repayment, Amount
Represents the estimated amount of the target's outstanding convertible debt expected to be repaid in connection with a proposed acquisition that has not yet been completed.
Aggregate intrinsic value - exercised or converted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Employee Stock Ownership Plan (ESOP) Name [Axis]
Employee Stock Ownership Plan (ESOP), Plan [Domain]
Plan Name [Axis]
Pension liabilities
Asset Acquisition, Recognized Liability Assumed, Pension Liabilities
Amount of pension liabilities assumed in asset acquisition.
Accounts payable
Asset Acquisition, Recognized Liability Assumed, Accounts Payable
Amount of accounts payable assumed in asset acquisition.
Other liabilities
Asset Acquisition, Recognized Liability Assumed, Other Liabilities
Amount of other liabilities assumed in asset acquisition.
Total liabilities assumed
Asset Acquisition, Recognized Liability Assumed, Liability Total
Amount of liabilities assumed in asset acquisition.
Net assets acquired / total acquisition cost
Asset Acquisition, Recognized Asset Acquired to Liability Assumed, Excess (Less), Total
Amount of asset acquired in excess of (less than) liability assumed in asset acquisition.
Acquired technology
Asset Acquisition, Recognized Asset Acquired, Technology Acquired
Amount of technology acquired in asset acquisition.
Research and Development Expenses [Member]
Selling and Marketing Expenses [Member]
General and Administrative Expenses [Member]
WISeKey International Holding Ltd [Member]
Ownership [Axis]
WISeKey India Private Ltd [Member]
WISeKey India Private Ltd
WISeKey India Private Ltd
SEALSQ Japan KK [Member]
WISeKey IoT Japan KK
WISeKey IoT Japan KK
SEALSQ France, Taiwan Branch [Member]
SEALSQ France, Taiwan Branch
SEALSQ France, Taiwan Branch
WISeCoin AG [Member]
WISeCoin AG
WISeCoin AG
WISeKey Equities AG [Member]
WISeKey Equities AG
WISeKey Equities AG
WISeKey Semiconductors GmbH [Member]
WISeKey Semiconductors GmbH
WISeKey Semiconductors GmbH
WISeKey Arabia - Information Technology Ltd [Member]
WISeKey Arabia - Information Technology Ltd
WISeKey Arabia - Information Technology Ltd
WISeKey International Corp. [Member]
WISeKey International Corp [Member]
WISeKey International Corp.
WISeSat.Space Corp. [Member]
WISeSat.Space Corp [Member]
WISeSat.Space Corp.
IC'Alps SAS [Member]
IC’Alps SAS [Member]
IC'Alps SAS.
QAIT Corp. (subsequently renamed Quantisimo Corp.) [Member]
QAIT Corp. (Subsequently renamed Quantisimo Corp.) [Member]
QAIT Corp.
Trust Protocol Association [Member]
Trust Protocol Association
Trust Protocol Association
WISeKey SAARC [Member]
WISeKey SAARC Ltd.
WISeKey SAARC Ltd.
Counterparty Name [Axis]
Related parties of Carlos Moreira [Member]
Related Parties of Carlos Moreira
Related Parties of Carlos Moreira
Employee compensation
Related Party, Employee Compensation
Represents compensation paid to employees who are related parties, including immediate family members of key management personnel.
Intersegment Eliminations
Intersegment Eliminations [Member]
Segment information and geographic data
Segment Reporting Information [Line Items]
Total charge for options granted recognized in the consolidated income statement
Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture
Options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Weighted-average exercise price, Of which vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Weighted-average exercise price, Granted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Weighted average remaining contractual term - of which vested (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Aggregate intrinsic value - outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Aggregate intrinsic value - Of which vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Par value per share (in CHF)
Common stock, par value (in dollar per share)
Common Stock, Par or Stated Value Per Share
Total number of authorized shares
Common stock, shares authorized
Common Stock, Shares Authorized
Total number of fully paid-in issued shares
Common stock, shares issued
Common Stock, Shares, Issued
Total number of fully paid-in outstanding shares
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Redemption price
Preferred Stock, Redemption Price Per Share
Employee Stock Option Plans (ESOP) [Member]
Employee Stock Option Plans
Employee Stock Option Plans
non-ESOP Option Agreements [Member]
Non-Employee Stock Option Agreements
Non-Employee Stock Option Agreements
SEALSQ Option Plans [Member]
SEALSQ Corp. Option Agreements
SEALSQ Corp. Option Agreements
Total stock-based compensation for the period
Share-Based Payment Arrangement, Expense
Stock-based compensation recognized in APIC
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
All Award Types [Domain]
All Award Types
Board Members [Member]
Board Members
Board Members
Cost of sales
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization
Depreciation of production assets
Cost, Depreciation
Liabilities and Equity
Liabilities and Equity [Abstract]
Assets
Assets [Abstract]
Cash and cash equivalents
Cash and cash equivalents
Total treasury share capital (in USD)
Treasury Stocks, Value
The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
Total number of fully paid-in shares held as treasury shares
Treasury Stock, Common, Share
Number of previously issued common shares repurchased by the issuing entity and held in treasury.
Earnings per Share - Diluted
Earnings Per Share, Diluted
Other comprehensive income / (loss), net of tax:
Accumulated other comprehensive income
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Total current assets
Assets, Current
Noncurrent assets
Assets, Noncurrent [Abstract]
Notes receivable, noncurrent
Financing Receivable, after Allowance for Credit Loss, Noncurrent
Deferred tax credits
Deferred Income Tax Assets, Net
Other noncurrent assets
Other Assets, Noncurrent
Total noncurrent assets
Assets, Noncurrent
Current Liabilities
Liabilities, Current [Abstract]
Accounts payable
Total accounts payable
Accounts Payable, Current
Notes payable
Notes Payable, Current
Indebtedness to related parties, current
Loans Payable, Current
Convertible note payable, current
Convertible Debt, Current
Deferred revenue, current
Deferred Income, Current
Schedule of Earnings Per Shares, Basic and Diluted [Line Items]
Earnings / (Loss) per share [Line Items]
Unrealized gains on debt securities
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax [Abstract]
Defined benefit pension plans:
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract]
Cover [Abstract]
Entity Addresses [Table]
Comprehensive loss attributable to WISeKey International Holding Ltd
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Condensed Consolidated Balance Sheets
Government assistance
Government Assistance, Asset, Current
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Other comprehensive income attributable to noncontrolling interests
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Other comprehensive income / (loss) attributable to WISeKey International Holding Ltd
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive loss attributable to noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Current assets
Assets, Current [Abstract]
Stockholders' Equity [Line Items]
Equity securities, at cost
Equity Securities At Cost
Cost of investment in equity security without readily determinable fair value.
Investment in SAFE
Investment in SAFE.
Other operating income
Other Operating Income (Expense), Net
Research & development expenses
Research and Development Expense
Prepaid expenses, noncurrent
Prepaid Expense, Noncurrent
Current portion of obligations under operating lease liabilities
Operating Lease, Liability, Current
Current portion of obligations under finance lease liabilities
Finance Lease, Liability, Current
Income tax payable
Accrued Income Taxes, Current
Total current liabilities
Liabilities, Current
Noncurrent liabilities
Liabilities, Noncurrent [Abstract]
Bonds, mortgages and other long-term debt
Bonds, Mortgages And Other Long Term Debt, Noncurrent
Carrying amount as of the balance sheet date for bonds, mortgages and other long term debt classified as noncurrent. Excludes lease obligation.
Deferred revenue, noncurrent
Deferred Income, Noncurrent
Accumulated other comprehensive income / (loss)
AOCI Attributable to Parent [Member]
Additional paid-in capital
Additional Paid-in Capital [Member]
ATM
Adjustments to Additional Paid in Capital, Other
Cash Flows from operating activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Interest and amortization of debt discount
Amortization of Debt Discount (Premium)
Inventory valuation allowance
Inventory Write-down
Income / (loss) from equity-method investments
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions
Changes in operating assets and liabilities, net of effects of businesses acquired
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Decrease (increase) in accounts receivable
Increase (Decrease) in Accounts Receivable
Decrease (increase) in inventories
Increase (Decrease) in Inventories
Cash and cash equivalents and restricted cash
Cash and cash equivalents and restricted cash
Sale / (acquisition) of equity securities
Payments From Sale Of Equity Securities At Cost
Amount of cash inflow from sale of investment in equity security measured at cost.
Sale / (acquisition) of property, plant and equipment
Payments to Acquire Property, Plant, and Equipment
Sale / (acquisition) of investment in SAFE
Payments to Acquire Investments In Simple Agreement for Future Equity
The cash outflow associated with the purchase of investments in simple agreement for future equity.
(Issuance of) / Proceeds from convertible loan issuance
Proceeds from Convertible Debt
Repayments of debt
Repayments of Debt
Acquisition of common stock for tax withholding obligations
Payment For Purchase Of Common Stock For Tax Withholding Obligation
The cash outflow associated with the purchase of common stock for tax withholding obligation.
Restricted cash, current
Restricted cash, current
Restricted Cash, Current
Supplemental cash flow information for financing and investing
Supplemental Cash Flow Information [Abstract]
Shares withheld to satisfy tax obligations
Shares Withheld For Tax Obligations
The value of shares withheld for tax obligations.
Future operations and going concern
Substantial Doubt about Going Concern [Text Block]
Basis of presentation
Basis of Accounting [Text Block]
Summary of Significant Accounting Policies [Abstract]
Summary of significant accounting policies
Significant Accounting Policies [Text Block]
Sale / (acquisition) of investment, current
Payments To Acquire Investment Current
The amount of payments to acquire investment current.
Amortization of finance lease right-of-use assets
Amortization Of Finance Lease Right-Of-Use Assets
The amount of amortization of finance lease right-of-use assets.
Future Operations and Going Concern [Abstract]
Balance, beginning of period
Balance, beginning of period
Balance, beginning of period
Gain on repayment of ExWorks Loan
Gain on repayment of ExWorks Loan
Gain on repayment of ExWorks Loan.
Sale / (acquisition) of cryptocurrencies
Payments to Acquire cryptocurrencies
Sale / (acquisition) of cryptocurrencies.
Losses from the remeasurement of crypto assets
Losses from the Remeasurement of Crypto Assets
Losses from the remeasurement of crypto assets.
Depreciation of lease building & assets, net of cash paid
Depreciation of lease building & assets, net of cash paid
Depreciation of lease building & assets, net of cash paid
Investment, Current [Abstract]
Investment, current
Short-term Investments [Text Block]
The entire disclosure for investments, current.
Property, plant and equipment
Property, Plant and Equipment Disclosure [Text Block]
Intangible assets
Intangible Assets Disclosure [Text Block]
Leases
Lease Disclosure [Text Block]
The entire disclosure of information about leases.
Goodwill
Goodwill Disclosure [Text Block]
Sale / (acquisition) of investment in Quobly SAS
Payment of Investment in Quobly SAS
Sale / (acquisition) of investment in Quobly SAS.
Sale / (acquisition) of investment in Miraex
Payment of Investment in Miraex
Sale / (acquisition) of investment in Miraex.
Sale / (acquisition) of investment in FOSSA
Payment of Investment in FOSSA
Sale / (acquisition) of investment in FOSSA.
Sale / (acquisition) of debt securities
Sale / (acquisition) of debt securities
Sale / (acquisition) of debt securities
Available-for-sale debt securities, noncurrent
Debt Securities, Available For Sale [Text Block]
The entire disclosure for investment in debt securities available for sale.
Equity Securities, at Cost [Abstract]
No definition available.
Equity securities, at cost
Equity Securities At Cost [Text Block]
The entire disclosure of equity securities at cost.
Issuance of shares in relation to investments in unconsolidated affiliates
Stock Issued
The WISeKey Group [Abstract]
Inventories [Abstract]
Inventories
Inventory Disclosure [Text Block]
Decrease (increase) in other current assets and prepaids, net
Increase (Decrease) in Other Current Assets And Prepaid Expenses Current
Amount of increase (decrease) in current assets classified as other and amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.
Cash and cash equivalents
Cash and Cash Equivalents Disclosure [Text Block]
Accounts Receivable [Abstract]
Accounts receivable
Accounts and Nontrade Receivable [Text Block]
Other non-cash expenses / (income)
Other non cash expenses /(income)
Concentration of credit risks
Concentration Risk Disclosure [Text Block]
Business Combination
Business Combination [Text Block]
Non-operating expenses
Nonoperating Expenses[Text Block]
The entire disclosure for the components of, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous expense.
Segment reporting
Segment Reporting Disclosure [Text Block]
Subsequent events
Subsequent Events [Text Block]
Impacts of ongoing conflicts [Abstract]
Investment in SAFE
Investment in SAFE [Text Block]
The entire disclosure for Investment in SAFE.
Investment in SAFE [Abstract]
No definition available.
Bonds, mortgages and other long-term debt
Debt Disclosure [Text Block]
Employee benefit plans
Compensation and Employee Benefit Plans, Other than Share-Based Compensation [Text Block]
Commitments and Contingencies [Abstract]
Commitments and contingencies
Commitments and Contingencies Disclosure [Text Block]
Stockholders' equity
Equity [Text Block]
Contributed revenue
Business Combination, Acquiree's Revenue since Acquisition Date, Actual
Contributed net loss
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual
Business Combination [Line Items]
Business Combination [Line Items]
Schedule of Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, fair value
Assets, Fair Value Disclosure
Trade accounts receivable
Accounts Receivable, before Allowance for Credit Loss, Current
Raw materials
Inventory, Raw Materials, Gross
Work in progress
Inventory, Work in Process, Gross
Finished Goods
Inventory, Finished Goods, Gross
Investments in Unconsolidated Affiliates
Equity Method Investments [Policy Text Block]
Government Assistance [Table]
IC'Alps SAS [Member]
ICAlps SASU [Member]
ICAlps SASU [Member]
Represents the information pertaining to IC'Alps SASU.
Government Assistance [Line Items]
Government Assistance [Line Items]
Investment, Name [Axis]
Wecan [Member]
Acquisition of Wecan Group SA [Member]
Schedule of Estimated Useful Lives
Schedule of Estimated Useful Lives [Table Text Block]
Tabular disclosure of property, plant, and equipment.
Adjustments to additional paid in capital cumulated interest expenses
Adjustments to Additional Paid in Capital Cumulated Interest Expenses
Amount of cumulated interest expenses increase (decrease) in additional paid in capital
Employee benefit obligation
Business Combination, Recognized Liability Assumed, Lease Obligation
Accounts payable
Business Combination, Recognized Liability Assumed, Accounts Payable, Current
Total liabilities assumed
Business Combination, Recognized Liability Assumed, Liability, Total
Net identifiable assets acquired
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), Total
Goodwill
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill, Total
Acquired identifiable intangible assets
Intangible Asset, Finite-Lived, Acquired
Trademarks [Member]
Trademarks
Wecan [Member]
Wecan Acquisition [Member]
Research tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Ownership percentage
Subsidiary, Ownership Percentage, Parent
Schedule of Accounts Receivable Balance
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Schedule of Intangible Assets Subject to Amortization
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Reconciliation of Crypto Assets Measured at Fair Value (ETH and POL)
Crypto Asset, Activity [Table Text Block]
Schedule of Future Amortization Charges
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Rent Expenses Associated With Leases
Lease, Cost [Table Text Block]
Schedule of Unrealized Gain or Loss on Available-for-Sale Debt Securities
Debt Securities, Available-for-Sale [Table Text Block]
Schedule of Accounts Payable
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Schedule of Other Current Liabilities
Other Current Liabilities [Table Text Block]
Schedule of Consolidated and Unconsolidated Affiliates
Equity Method Investments [Table Text Block]
Schedule of Related Party Transactions and Balances
Schedule of Related Party Transactions [Table Text Block]
Net operating loss
Operating loss
Operating Income (Loss)
Working capital
Working capital
Working capital deficit
Concentration Risk [Table]
Intangible asset useful life
Estimated useful life
Intangible Asset, Finite-Lived, Useful Life
Fair value of previously held equity interest
Fair Value Of Previously Held Equity Interest
Fair value of previously held equity interest.
Fair value of interest acquired through the June 2026 capital increase
Fair Value Of Interest Acquired Through The Capital Increase
Fair value of interest acquired through the capital increase.
Schedule of Preliminary Allocation of the Acquisition-Date Fair Value
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Schedule of Inventories
Schedule of Inventory, Current [Table Text Block]
Schedule of Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Fair value
Estimate of Fair Value Measurement [Member]
Customer [Domain]
Concentration Risk Benchmark [Axis]
Error Correction [Table]
Basis of Presentation [Line Items]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer [Axis]
Ownership [Domain]
Asset Acquisition
Asset Acquisition [Policy Text Block]
Disclosure of accounting policy for asset acquisition.
Investment in Equity Securities
Investment in Equity Securities [Policy Text Block]
Disclosure of accounting policy for investment in equity securities.
Variable Interest Entities
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
Schedule of Inventories [Abstract]
Total inventories
Inventories
Inventory, Net, Total
Total consideration attributable to SEALSQ
Total Consideration Attributable
Amount of total consideration attributable.
Schedule of Intersegment Sales and Transfers
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
Schedule of Property, Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Schedule of Cash and Non-Cash Activities Associated With Leases
Schedule of Cash And Non-cash Activities Of Leases [Table Text Block]
Tabular disclosure of cash and non-cash activities of leases.
Schedule of Right-of-Use Assets and Lease Liabilities
Leases - Schedule of Right-of-Use Assets and Lease Liabilities
Tabular disclosure of lessee's right-of-use assets and lease liabilities.
Schedule of Future Minimum Annual Lease Payments
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Schedule of Goodwill
Schedule of Goodwill [Table Text Block]
Schedule of Total Consideration Acquisition-Date Fair Value [Line Items]
Expected market price volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected market price volatility (Minimum)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Expected market price volatility (Maximum)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Average remaining expected life of stock options on WIHN
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Non-vested options at the beginning
Non-vested options at the ending
Shares under options, Of which non-vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares
Schedule of Reconciliation of Crypto Assets Measured at Fair Value (ETH and POL) [Abstract]
Crypto Asset, Fair Value [Abstract]
2030 and beyond
Finance Lease, Liability, to be Paid, after Year Five
Licensing Agreements [Member]
License agreements
Other Intangible Assets [Member]
Other intangibles
Statistical Measurement [Axis]
Statistical Measurement [Domain]
Maximum [Member]
Maximum [Member]
Minimum [Member]
Minimum [Member]
Patents [Member]
Patents
Customer Relationships [Member]
Customer relationships
Right-of-use assets:
Right of Use Assets [Abstract]
Lease liabilities:
Lease Liabilities [Abstract]
Unrealized gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Effective interest rate (as a Percentage)
Debt Instrument, Interest Rate, Effective Percentage
Outstanding balance on the loans debt
Debt Instrument, Unamortized Discount (Premium), Net
Credit facility available
Long-Term Line of Credit
Exercise price
Warrant, Exercise Price, Decrease
Operating
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Outstanding borrowing amount
Debt Instrument, Unused Borrowing Capacity, Amount
Convertible Corporate Bonds [Member]
Convertible Debt Securities [Member]
Schedule of Unrealized Gain or Loss on Available-for-Sale Debt Securities [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Amortized cost
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss, Noncurrent
Schedule of Unrealized Gain or Loss on Available-for-Sale Debt Securities [Table]
Debt Securities, Available-for-Sale [Table]
Financial Instrument [Axis]
Financial Instruments [Domain]
Fair value
Available-for-sale debt securities, noncurrent
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Noncurrent
Maturity
Debt Securities, Available-for-Sale, Term
2026
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
2027
Lessee, Operating Lease, Liability, to be Paid, Year One
2028
Lessee, Operating Lease, Liability, to be Paid, Year Two
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
2030 and beyond
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Class of Warrant or Right [Domain]
Class E Warrant [Member]
Issuance costs
Payments of Debt Issuance Costs
Carlos Moreira
Carlos Moreira [Member]
Carlos Moreira
Antoine Kohler [Member]
Supplier contract liability
Supplier Contract Liability
Amount of supplier contract liability.
FOSSA [Member]
ISeKey ELASL [Member]
ISeKey ELA SL [Member]
WISeKey ELA SL
Class of Warrant or Right [Axis]
Fixed interest rates
Debt Instrument, Interest Rate, Stated Percentage
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Securities Purchase Agreement [Member]
Class E Ordinary Share [Member]
Warrant [Member]
Amortization of right-of-use assets
Finance Lease, Interest Expense
Interest on lease liabilities
AmortizationOfRightofuseAssets
Amortization of right-of-use assets
Operating lease cost:
Operating Lease, Liability [Abstract]
Revenues related to performance obligations
Contract with Customer, Performance Obligation Satisfied in Previous Period
Rest Of EMEA [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Axis]
Schedule of Remaining Performance Obligations [Table]
2028
Lessee Lease Liability To Be Paid Year Two
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Weighted-average remaining lease term - finance
Finance Lease, Weighted Average Remaining Lease Term
Weighted average discount rate - operating
Operating Lease, Weighted Average Discount Rate, Percent
Weighted average discount rate - finance
Finance Lease, Weighted Average Discount Rate, Percent
Intangible Asset, Indefinite-Lived [Table]
Principle loan amount
Debt Instrument, Face Amount
Computer equipment and licenses
Computer Equipment and License [Member]
Represents the member information pertaining to computer equipment and licenses.
Office equipment and furniture
Office Equipment and Furniture [Member]
Represents the member information pertaining to office equipment and furniture.
Schedule of Accounts Payable [Line Items]
n/a
Accounts payable to Board Members
Accounts Payable To Board Members, Related Party, Current
Amount of liabilities incurred to board for the services received, classified as payable within one year or normal operating cycle, if longer.
Accounts payable to other related parties
Accounts payable to other related parties
Accounts payable to related parties.
Schedule of Intangible, Crypto Assets and Future Amortization Expense [Line Items]
Finite-Lived Intangible Assets [Line Items]
Crypto assets and related balances - WECAN tokens
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Number of crypto assets held
Crypto Asset, Number of Units Held
Number of restricted and unrestricted crypto asset units held by organization. Excludes crypto asset units held for platform user.
Total intangible assets gross
Finite-Lived Intangible Assets, Gross
Total accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Product Warranty Liability [Table]
Product and Service [Axis]
Product and Service [Domain]
Accounts payable to underwriters, promoters, and employees
Accounts Payable, Underwriters, Promoters, and Employees, Current
Other accounts payable
Accounts Payable, Other, Current
Aggregate amount of non-current debt
Long-Term Debt, Excluding Current Maturities
Acquired shares
Acquired Shares
The number of acquired shares.
Investment of initial SAFEs
The amount of investment of initial SAFEs.
Annual prepayments
Annual Prepayments
The amount of annual prepayments.
Recoverable advance from Bpifrance (“Avance Innovation”) [Member]
BELICIM project – Bpifrance grant and recoverable advance agreement [Member]
Deferred grant income
Deferred Income
Carrying current debt
Line of Credit, Current
Joint Cooperation Agreement [Member]
Investment in Equity Securities [Member]
Value-Added Tax receivable
Value Added Tax Receivable, Current
Advanced payment to suppliers
Prepaid Supplies
Anson Subscription Agreement [Member]
Indebtedness to related parties [Member]
Indebtedness to Related Parties, Current
Indebtedness to Related Parties, Current
Bpifrance grant and recoverable advance agreement [Member]
Bühler AG [Member]
Commitment period
Commitment Period
Commitment period.
Equity Securities, at Cost [Table]
Equity Securities, at Cost [Line Items]
Scenario [Axis]
Noncurrent portion
Long-Term Debt
Less: current portion
Short-Term Debt
Non-vested options, forfeited or cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
Non-vested options, Weighted-average grant date fair value, forfeited or cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Number of class of stock outstanding
Number Of Class Of Stock Outstanding
Number of class of stock outstanding.
Number of votes per share
Number Of Votes Per Share
Number of votes per share
2027
Long-Term Debt, Maturity, Year Two
2028
Long-Term Debt, Maturity, Year Three
2029
Long-Term Debt, Maturity, Year Four
2030 and thereafter
Long-Term Debt, Maturity, Five And After Year Five
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth year and after fifth fiscal year following current fiscal year.
Total contractual principal
Debt, Long-Term and Short-Term, Combined Amount
ASIC segment [Member]
ASIC Segment [Member]
The member id represented of ASIC Segment
Non-reportable segments [Member]
Non-reportable segments [Member]
The member is represented of Non-reportable segments
Trade accounts receivables
Trade Accounts Receivables
Total trade accounts receivables
Total trade accounts receivables
Amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business.
Total contract assets
Contract with Customer, Asset, after Allowance for Credit Loss
Schedule of Remaining Performance Obligations [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total remaining performance obligation
Revenue, Remaining Performance Obligation, Amount
Non-vested options, Weighted-average grant date fair value, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Non-reportable Segment [Member]
Timing of Transfer of Good or Service [Axis]
Timing of Transfer of Good or Service [Domain]
At one point in time [Member]
Transferred at Point in Time [Member]
Over time [Member]
Transferred over Time [Member]
2027
Lessee Lease Liability To Be Paid Year One
Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Other tax payable
Accrual for Taxes Other than Income Taxes, Current
Bpifrance Innovation R&D Loan [Member]
Bpifrance Innovation R&D Loan [Member]
Represents information pertaining to Bpifrance Innovation R&D Loan.
Bpifrance Innovation Loan [Member]
Bpifrance Innovation Loan [Member]
Represents information pertaining to Bpifrance Innovation Loan.
PGE loans (CIC, Bpifrance, BNP) [Member]
PGE loans [Member]
Represents information pertaining to PGE loans.
Recoverable advances - Bpifrance (Innovation and BELICIM) [Member]
Bpifrance Recoverable Advances, Avance Innovation And BELICIM Project [Member]
Represents information pertaining to Recoverable advances relating to Avance Innovation And BELICIM Project.
Dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
SEALSQ Corp One [Member]
SEALSQ Corp [Member]
Secure Chips [Member]
Secure Chips
Secure Chips
Certificates [Member]
Certificates
Certificates
ASIC Design [Member]
ASIC Design [Member]
Represents information pertaining to ASIC design services
ASIC Production [Member]
ASIC Production [Member]
Represents information pertaining to ASIC production.
Payment to acquire equity securities at cost
Payment To Acquire Equity Securities At Cost
Amount of cash outflow to acquire equity securities at cost.
Equity Method Investment [Table]
Total other operating income
Other Operating Income
Schedule of Accounts Payable [Table]
Disclosure of information about accounts payable.
Bpifrance Innovation – Research & Development Loan Agreement [Member]
Bprifrance Innovation - Research and Development Loan [Member]
Represents the information pertaining to Bprifrance Innovation - Research and Development Loan.
Bpifrance Innovation Loan [Member]
Bprifrance Innovation Loan [Member]
Represents the information pertaining to Bprifrance Innovation Loan.
PGE loan – CIC Lyonnaise de Banque [Member]
PGE Cash-Flow Loan [Member]
Represents the information pertaining to PGE Cash-Flow Loan.
PGE Soutien Innovation loan – Bpifrance [Member]
PGE Soutien Innovation Loan [Member]
Represents the information pertaining to PGE Soutien Innovation Loan.
PGE loan – BNP Paribas [Member]
PGE loan – BNP Paribas [Member]
Represents the information pertaining to PGE loan - BNP Paribas.
Avance Innovation [Member]
Avance Innovation Loan from Bpifrance [Member]
Represents the information pertaining to Avance Innovation Loan from Bpifrance.
Aggregate amount of current debt
Long-Term Debt, Current Maturities
Property, plant and equipment
Asset Acquisition, Recognized Asset Acquired, Property, Plant and Equipment
Amount of property, plant and equipment acquired in asset acquisition.
Percentage of Fair Value of the Gross Assets Acquired
Percentage of fair value of the gross assets acquired.
Convertible loan
Convertible Debt
Capital contribution
Capital Contribution
Represents the amount of capital contribution.
Licenses [Member]
Licenses [Member]
Represents the member information pertaining to licenses.
Revision of Prior Period [Axis]
Revision of Prior Period [Domain]
Previously Reported [Member]
Revision of Prior Period, Adjustment [Member]
Shares under options, Granted
Non-vested options, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Shares under options, Exercised or converted
Exercised shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Shares under options, Forfeited or cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Shares under options, Expired
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Weighted-average exercise price, Exercised or converted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted-average exercise price, Forfeited or cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Weighted average remaining contractual term (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Reportable Segment, Aggregation before Other Operating Segment
Reportable Segment, Aggregation before Other Operating Segment [Member]
Other Operating Segment
Other Operating Segment [Member]
Other segment items
Segment Reporting, Other Segment Item, Amount
Loss before income tax expense
Income (Loss) from Continuing Operations before Interest Expense, Interest Income, Income Taxes, Noncontrolling Interests, Net
Interest revenue
Interest Income, Operating
Interest expense
Interest Expense, Operating
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Income tax income / (expense)
Income Tax Expense (Benefit)
Other Assets
Elimination of intersegment receivables
Elimination Of Intersegment Receivables
Elimination of intersegment receivables.
Elimination of intersegment investment and goodwill
Elimination Of Intersegment Investment And Goodwill
Elimination of intersegment investment and goodwill.
Accounts payable non current
Payables to Related Parties, Non Current
Amount owed to related parties as of the reporting date arising from transactions conducted in the ordinary course of business, including trade and non-trade obligations later than one year.
Ownership percentage
Subsidiary, Ownership Percentage, Noncontrolling Owner
The "ESOP 1" [Member]
the "ESOP 1"
the "ESOP 1"
The "ESOP 2" [Member]
the "ESOP 2"
the "ESOP 2"
Less: Net loss attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net loss attributable to WISeKey International Holding Ltd
Net Income (Loss)
Software [Member]
Software, Purchased [Member]
WISeSat.Space Iberica, S.L. [Member]
Quantix Edge Security, S.L. [Member]
Quantix Edge Security, S.L [Member]
Rolf Gobet [Member]
WeCanGroup SA [Member]
Wecan Group SA [Member]
Quantix Edge Security [Member]
WiseTrust SA [Member]
WiseTrust SA
WiseTrust SA
Income Statement [Axis]
Income Statement [Domain]
Share capital (in USD)
The amount of common stock value.
WISeKey USA Inc [Member]
WISeKey USA Inc
WISeKey USA Inc
WISe.ART AG [Member]
WISe.Art AG
WISe.Art AG
WISeKey Vietnam Ltd [Member]
WISeKey Vietnam Ltd
WISeKey Vietnam Ltd
Non-vested options, Granted
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross1
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross1
Unrealized loss on Investment
Gain (Loss) on Investments
F Shares [Member]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Equity Option [Member]
SEALSQ [Member]
Delivery ordinary shares
Debt Conversion, Converted Instrument, Shares Issued
Percentage of voting rights held
Percentage of Voting Rights Held
The proportion (expressed as a percentage) of total voting rights in an entity that are owned or controlled by the reporting entity, either directly or indirectly, through equity interests or other arrangements.
QAIT Association [Member]
Other
Other Nonoperating Expenses
Other
Other
Other
Non-operating income
Losses from the remeasurement of crypto assets
Crypto Asset, Unrealized Loss, Operating
Number of convertible stock options approved
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares
Country of incorporation
Country of incorporation.
Year of incorporation
Year of incorporation
Common stock held by subsidiary
Common Stock Held by Subsidiary
WISeKey (Gibraltar) Limited [Member]
WISeKey (Gibraltar) Limited
WISeKey (Gibraltar) Limited
WiSeSat.Space AG [Member]
WISeSat Space AG
Represents information pertaining to WiSeSat.Space AG.
SEALCOIN AG [Member]
SEALCOIN AG
SEALCOIN AG
SEALSQ USA Ltd [Member]
SEALSQ USA Ltd
SEALSQ USA Ltd
Payables
Payables to Related Parties
Amount owed to related parties as of the reporting date arising from transactions conducted in the ordinary course of business, including trade and non-trade obligations.
Accounts payable current portion
Payables to Related Parties, Current
Amount owed to related parties as of the reporting date arising from transactions conducted in the ordinary course of business, including trade and non-trade obligations within one year or normal operating cycle.
Effect of potentially dilutive equivalent shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted Average Number of Shares Outstanding, Diluted
Net earnings / (loss) per Share
Net earnings / (loss) per Class B Share
Net gain / (loss) per share
Effect of potentially dilutive instruments on net loss
Effect of potentially dilutive instruments on net loss
Net earnings / (loss) attributable to after effect of potentially dilutive instruments
Net earnings / (loss) attributable to after effect of potentially dilutive instruments
Weighted-average exercise price, Expired
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Statement of Cash Flows [Table]
Schedule of Estimated Useful Lives [Line Items]
Useful economic life of property plant and equipment
Property, Plant, and Equipment, Useful Life
Net expenses
Related Party Transaction, Net Expense
Net amount of income earned from transactions with related parties after offsetting related expenses, where presented on a net basis.
Net income
Related Party Transaction, Net Income
Net amount of income earned from transactions with related parties during the reporting period, after offsetting any expenses incurred with such related parties, where the transactions are presented on a net basis
Non-interest bearing loan from shareholder
Non-interest Bearing Loan From Shareholder
Represents borrowings obtained from a shareholder that do not bear interest and may not have fixed repayment terms, typically provided as a form of financing to support the entity's operations and, in substance, may be similar to an equity contribution.
Subsequent events [Line Items]
Subsequent Event [Line Items]
Amount of investment committed
Committed Investment Amount
The total amount that the entity is contractually obligated to invest in a specified counterparty or financial instrument under binding agreements, regardless of whether such amount has been funded as of the reporting date.
Commitment shares
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract]
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Nature of business
Nature of business.
Maria Pia Aqueveque Jabbaz [Member]
Maria Pia Aqueveque Jabbaz
Maria Pia Aqueveque Jabbaz
Philippe Doubre [Member]
Philippe Doubre
Philippe Doubre
David Fergusson [Member]
David Fergusson
David Fergusson
Jean-Philippe Ladisa [Member]
Jean Philippe Ladisa
Jean Philippe Ladisa
Philippe Monnier [Member]
Philippe Monnier
Philippe Monnier
Ruma Bose [Member]
Ruma Bose
Ruma Bose
Cristina Dolan [Member]
Cristina Dolan
Cristina Dolan
Danil Kerimi [Member]
Danil Kerimi
Danil Kerimi
Receivables
Receivables From Related Parties
Amount due from related parties as of the reporting date arising from transactions conducted in the ordinary course of business, including trade and non-trade receivables.
Gain on remeasurement of previously held equity interest
Gain on remeasurement of previously held equity interest
Realized gains on Investment
Realized gains on Investment
Total non-operating income
NonoperatingIncome
NonoperatingIncome
Foreign exchange losses
Foreign Currency Transaction Loss, before Tax
Financial charges
Finance Costs Nonoperating
Represents expenses incurred from financial and financing activities, including interest expense, foreign exchange losses, fair value losses, and other financing-related costs, presented as a single aggregated non-operating expense line item.
Earnings per Share - Basic
Earnings Per Share, Basic
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity Central Index Key
Amendment Flag
Change from net loss attributable to WISeKey International Holding Ltd's shareholders and transfers (to) from noncontrolling interest
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net, Total
Net loss attributable to WISeKey International Holding Ltd
Net Income (Loss) Attributable to Parent Before Changes in Subsidiaries Ownership
The portion of consolidated net income or loss that is attributable to the parent (controlling interest), before recognizing the effects of any changes in the parent's ownership interest in subsidiaries that do not result in a loss of control.
Stockholders’ equity [Table]
Schedule of Ownership Interest in Subsidiaries on Equity [Line Items]
Commitments and contingent liabilities
Commitments and Contingencies
SHAREHOLDERS' EQUITY
Equity, Attributable to Parent [Abstract]
Common stock
Common Stock, Value, Issued
Share subscription in progress
Common Stock, Value, Subscriptions
Treasury stock, at cost (56,508 and 56,508 shares held)
Treasury Stock, Value
Additional paid-in capital
Additional Paid in Capital
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Treasury stock
Treasury Stock, Common, Shares
Net transfers (to) from noncontrolling interest
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net, Total
Selling & marketing expenses
Selling and Marketing Expense
Entity Addresses [Line Items]
Document Type
Document Period End Date
Securities Act File Number
Entity Registrant Name
General & administrative expenses
General and Administrative Expense
Non-operating income
Other Nonoperating Income
Interest and amortization of debt discount and expense
Interest Expense, Debt
Non-operating expenses
Nonoperating Expense
The aggregate amount of expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).
Indebtedness to related parties, noncurrent
Payables To Related Party, Noncurrent
Amount payable for unused vacation allowance to related party classified as non-current.
Operating lease liabilities, noncurrent
Operating Lease, Liability, Noncurrent
Finance lease liabilities, noncurrent
Finance Lease, Liability, Noncurrent
Deferred income tax liability
Deferred Income Tax Liabilities, Net
Employee benefit plan obligation
Liability, Defined Benefit Pension Plan, Noncurrent
Other noncurrent liabilities
Other Liabilities, Noncurrent
Total noncurrent liabilities
Liabilities, Noncurrent
TOTAL LIABILITIES
Liabilities
Total shareholders' equity attributable to WISeKey shareholders
Equity, Attributable to Parent
Noncontrolling interests in consolidated subsidiaries
Equity, Attributable to Noncontrolling Interest
TOTAL LIABILITIES AND EQUITY
Liabilities and Equity
Number of subsidiary shares sold
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Sale of Interest by Parent, Shares
Number of shares of a subsidiary, not wholly owned by the Company, sold during the reporting period that resulted in a reduction of the parent's ownership interest and does not result in a loss of control by the parent.
Unrealized holding gains arising during the period
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Net gain arising during the period
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
Prepaid expenses, current
Prepaid Expense, Current
Investment, current
Short-Term Investments