Document And Entity Information
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Note To Financial Statement Details Textual
Significant Accounting Policies
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
Note 1 - The Company and Summary of Significant Accounting Policies
Share-Based Payment Arrangement, Option, Exercise Price Range [Table]
Note 2 - Investments and Fair Value Measurements
Note 3 - Inventories
Note 5 - Property, Plant and Equipment, Net
Note 6 - Investments in Privately Held Raw Material Companies
Note 7 - Balance Sheet Details
Note 8 - Bank Loans and Line of Credit
Note 10 - Employee Benefit Plans and Stock-Based Compensation
us-gaap_LongTermLineOfCredit
Long-Term Line of Credit, Noncurrent
Note 11 - Guarantees
Note 12 - Income Taxes
Change in unrealized gain on available-for-sale debt investments, net of tax
Note 13 - Net Income (Loss) Per Share
Note 14 - Segment Information and Foreign Operations
Note 15 - Other Income (Expense), Net
us-gaap_LiabilitiesCurrent
Current liabilities
Total current liabilities
Note 16 - Commitments and Contingencies
Note 17 - Redeemable Noncontrolling Interests
Note 1 - The Company and Summary of Significant Accounting Policies - Schedule of Contract with Customer Liabilities (Details)
Value added tax receivable, long term
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)
Note 1 - The Company and Summary of Significant Accounting Policies - Schedule of Accumulated Other Comprehensive Income (Loss) (Details)
Note 2 - Investments and Fair Value Measurements - Schedule of Cash, Cash Equivalents, and Investments (Details)
Note 3 - Inventories - Schedule of Inventory (Details)
Note 5 - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Note 6 - Investments in Privately-Held Raw Material Companies - Summary of Investments (Details)
Note 6 - Investments in Privately-Held Raw Material Companies - Summary Information for Equity Method Investments (Details)
Note 6 - Investments in Privately-Held Raw Material Companies - Equity Method Investment, Summarized Balance Sheet Information (Details)
Note 7 - Balance Sheets Details - Schedule Of Other Assets, Noncurrent (Details)
Note 7 - Balance Sheet Details - Schedule of Accrued Liabilities (Details)
Note 8 - Bank Loans and Line of Credit - Schedule of Short-Term Debt (Details)
Note 8 - Bank Loans and Line of Credit - Maturities of Long-Term Loans (Details)
Note 10 - Employee Benefit Plans and Stock-Based Compensation - Summary of Stock Options (Details)
Note 10 - Employee Benefit Plans and Stock-based Compensation - Schedule of Options Outstanding and Exercisable Exercise Range (Details)
Note 10 - Employee Benefit Plans and Stock-based Compensation - Summary of Restricted Stock Awards (Details)
Restricted Stock, Granted, Weighted Average Grant Date Share Value (in dollars per share)
Restricted Stock, Vested, Weighted Average Grant Date Share Value (in dollars per share)
Note 10 - Employee Benefit Plans and Stock-based Compensation - Summary of Performance Shares Activity (Details)
Note 10 - Employee Benefit Plans and Stock-based Compensation - Schedule of Common Stock Reserved and Available for Future Issuance (Details)
Restricted Stock, Forfeited, Weighted Average Grant Date Share Value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in dollars per share)
Restricted Stock, Unvested, Weighted Average Grant Date Share Value (in dollars per share)
Restricted Stock, Unvested, Weighted Average Grant Date Share Value (in dollars per share)
Note 10 - Employee Benefit Plans and Stock-based Compensation - Summary of Compensation Costs Related to Stock-Based Compensation Awards (Details)
Note 11 - Guarantees - Schedule of Product Warranty Liability (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Restricted Stock, Forfeited (in shares)
Note 12 - Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details)
Change in foreign currency translation gain (loss), net of tax
Note 12 - Income Taxes - Schedule of Effective Income Tax Reconciliation (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Restricted Stock, Unvested, Shares (in shares)
Restricted Stock, Unvested, Shares (in shares)
Note 12 - Income Taxes - Cash Paid for Income Taxes (Details)
Note 12 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)
Short-term loans
Note 13 - Net Income (Loss) Per Share - Reconciliation of Earnings Per Share (Details)
Restricted Stock, Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Note 14 - Segment Information and Foreign Operations - Reporting of Segment Revenue by Product Type (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)
Restricted Stock, Vested (in shares)
Note 14 - Segment Information and Foreign Operations - Segment Revenue Reporting by Geographic Region (Details)
Note 14 - Segment Information and Foreign Operations - Reconciliation of Long-lived Assets by Geographic Region (Details)
Note 15 - Other Income (Expense), Net (Details)
us-gaap_LongTermDebtCurrent
Long-Term Debt, Current Maturities
Note 16 - Commitments and Contingencies - Schedule of Operating Lease Maturities (Details)
Note 16 - Commitments and Contingencies - Schedule of Lease Cost (Details)
Note 16 - Commitments and Contingencies - Schedule of Lease Supplemental Cash Flow Information (Details)
Note 17 - Redeemable Noncontrolling Interests - Schedule of Redeemable Noncontrolling Interests (Details)
us-gaap_OtherComprehensiveIncomeLossNetOfTax
Total other comprehensive income (loss), net of tax
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Options exercisable, Weighted Average Exercise Price (in dollars per share)
Options exercisable, Weighted Average Remaining Contractual Life (Year)
Options Exercisable, Aggregate Intrinsic Value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Other comprehensive loss
Accumulated other comprehensive loss
us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total stockholders’ equity
Balance
Balance
Options exercisable (in shares)
us-gaap_LinesOfCreditCurrent
Line of Credit, Current
Options, Outstanding, Weighted Average Remaining Contractual Life (Year)
Options, Aggregate Intrinsic Value
Jia Mei Investment [Member]
Represents the Jia Mei Investment.
axti_CompaniesAccountedForUnderEquityMethodInvestments
Companies Accounted For Under Equity Method Investments
The number of companies accounted for under equity method investments.
Kazuo [Member]
Represents the Kazuo location.
Dingxing [Member]
Represents the location Dingxing.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Options, Outstanding, Weighted Average Exercise Price (in dollars per share)
Options, Outstanding, Weighted Average Exercise Price (in dollars per share)
Manufacturing Equipment [Member]
Represents the manufacturing equipment.
axti_EquityMethodInvestmentRealizedGainLossOnAdjustmentToFairValue
Equity Method Investment, Realized Gain (Loss) On Adjustment To Fair Value
The amount of realized gain (loss) from the adjustment to fair value of the equity method investments.
Advances from customers
Options, Canceled and expired,Weighted Average Exercise Price (in dollars per share)
Other tax payable
Options, Granted, Weighted Average Exercise Price (in dollars per share)
Options, Exercised, Weighted Average Exercise Price (in dollars per share)
Accrued Liabilities, Current
Accrued Liabilities, Current
Accrued liabilities
Accrued compensation and related charges
Accrued income taxes
axti_PropertyPlantAndEquipmentIncludingConstructionProgress
Property, Plant and Equipment, Including Construction Progress
The amount of property, plant and equipment including the construction progress.
Preferred stock dividends payable
Dividends Payable, Current
us-gaap_AccountsPayableCurrent
Accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Options, Balance, Outstanding (in shares)
Options, Balance, Outstanding (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Options, Canceled and expired (in shares)
ChaoYang XinMei [Member]
Represents ChaoYang XinMei joint venture agreement.
axti_TotalInvestmentOfJointVentureAgreement
Total Investment of Joint Venture Agreement
Represents the total investment value of a joint venture agreement.
Other accrued liabilities
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Loan From Related Party [Member]
Represents a loan from a related party.
Minority Investor [Member]
Represents a minority investor.
Accrued product warranty
Product Warranty Accrual, Current
Beginning accrued product warranty
Ending accrued product warranty
axti_JointVentureAgreementInitialInvestmentAmount
Joint Venture Agreement, Initial Investment Amount
Represents the initial investment amount for a joint venture agreement.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
Accrued professional services
axti_AmountOfAdditionalInvestmentInJointVentureAgreement
Amount of Additional Investment in Joint Venture Agreement
Represents the additional amount of investment in a joint venture agreement.
Chaoyang Kaimei Quartz Co [Member]
Represents Chaoyang Kaimei Quartz Co.
Debt Securities, Available-for-Sale [Table]
axti_PercentageOfEquityIssuedOnConversionOfNonControllingInterests
Percentage of Equity Issued on Conversion of Non Controlling Interests
Represents the percentage of equity issued on the conversion of non controlling interests.
Beijing Bouy Vessel [Member]
Represents Beijing Bouy Vessel.
Chao Yang ShouMei [Member]
Represents the Chao Yang ShouMei joint venture agreement.
Chao Yang Jin Mei Gallium [Member]
Represents Chao Yang Jin Mei Gallium.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)
axti_IncreaseInRedeemableNoncontrollingInterestsDueToTransferOfSubsidiaryWithNoncontrollingInterests
Increase in Redeemable Noncontrolling Interests Due to Transfer of Subsidiary with Noncontrolling Interests
Represents the amount of increase in redeemable noncontrolling interests due to the transfer of a subsidiary with noncontrolling interests.
axti_IncreaseInNoncontrollingInterestsDueToTransferOfSubsidiaryWithNoncontrollingInterests
Increase in Noncontrolling Interests Due to Transfer of Subsidiary with Noncontrolling Interests
Represents the amount of increase in noncontrolling interests due to the transfer of a subsidiary with noncontrolling interests.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
Payable in connection with construction in progress
Represents the amount of a current payable in connection with construction in progress included in accrued liabilities.
Nanjing Jin Mei Gallium [Member]
Represents Nanjing Jin Mei Gallium.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Beijing Tongmei Xtal Technology [Member]
Represents Beijing Tongmei Xtal Technology.
Axt Tongmei Inc [Member]
Represents AXT Tongmei inc.
axti_PercentageOfEquityPurchasedByEmployeesKeyManagersAndContributors
Percentage of Equity Purchased by Employees, Key Managers, and Contributors
Represents the percentage of equity purchased by employees, key managers, and contributors.
Beijing Jiya [Member]
Represents Beijing Jiya investment.
Liabilities, Current [Abstract]
Supplemental Balance Sheet Disclosures [Text Block]
axti_PercentageOfEquityMethodInvestmentInterestSold
Percentage of Equity Method Investment Interest Sold
Represents the percentage of an equity method investment interest sold to a third party.
Vesting [Axis]
Vesting [Domain]
Other personnel-related costs
Represents other current personnel costs.
Share-Based Payment Arrangement, Tranche One [Member]
us-gaap_Assets
Total assets
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Plan Name [Domain]
Five Minority Investments [Member]
Represents five minority investments.
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Xiaoyi Xingan Gallium [Member]
Represents Xiaoyi Xingan Gallium investment.
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
Equity Method Investments, Summarized Income Information [Table Text Block]
Tabular disclosure of income information of minority investment entities that are not consolidated and accounted under the equity method.
Noncontrolling interest portion of Tongmei stock-based compensation
The total amount of stock based compensation expense attributable to noncontrolling interest during the period.
axti_SharebasedCompensationArrangementBySharebasedPaymentAwardPerformanceTargetCapPercentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Target Cap, Percentage
Represents the percentage of performance target cap of award under a share-based payment arrangement.
Consultant [Member]
Represents consultant.
us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
Share-Based Payment Arrangement, Amount Capitalized
axti_AnnualRevenueGrowthRatePercentage
Annual Revenue Growth Rate, Percentage
Represents the annual revenue growth rate expressed as a percentage.
axti_SharebasedPaymentArrangementNumberOfSharesEligibleToVest
Share-Based Payment Arrangement, Number of Shares Eligible to Vest (in shares)
Represents the number of shares eligible to vest under a share-based payment arrangement.
Deferred tax assets
us-gaap_DeferredIncomeTaxAssetsNet
Equity Incentive Plan 2015 [Member]
Represents the 2015 equity incentive plan.
Share-Based Payment Arrangement [Text Block]
Performance Based Vesting [Member]
Represents performance based vesting.
Time Based Vesting [Member]
Represents time based vesting.
Award Type [Domain]
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Award Type [Axis]
axti_NumberOfMajorCustomers
Number of Major Customers
Represents information about the number of major customers.
us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests
Asia Pacific Excluding China, Taiwan and Japan [Member]
Represents Asia excluding China, Taiwan and Japan.
Raw Materials and Other [Member]
Represents raw materials and other.
Net income attributable to redeemable noncontrolling interests
Substrates [Member]
Represents substrates.
Inventory [Axis]
Cross License Agreement [Member]
Represents a cross license agreement.
Inventory [Domain]
us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Less: Comprehensive loss attributable to noncontrolling interests and redeemable noncontrolling interests
Commitments and Contingencies Disclosure [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: accumulated depreciation and amortization
us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Noncontrolling Interest, Increase from Subsidiary Equity Issuance
Property, plant and equipment, net
us-gaap_PropertyPlantAndEquipmentGross
Property, plant and equipment, gross
Construction in progress
Construction in Progress, Gross
Bank Loan Due September 2025 [Member]
Represents the bank loan due in September 2025.
Bank Loan Due March 2026 [Member]
Represents the bank loan due in March 2026.
Bank of China [Member]
Represents bank of China.
Bank Loan Due January 2026 [Member]
Represents the bank loan due in January 2026.
Net loss
Net loss
Net income
Bank Loan Due February 2026 [Member]
Represents the bank loan due in February 2026.
Bank Loan Due November 2025 Two [Member]
Represents the second bank loan due in November 2025.
us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive loss
us-gaap_Investments
Investments
Bank Loan Due May 2025 [Member]
Represents the bank loan due in May 2025.
Bank of Communications [Member]
Represents the bank of communications.
axti_EffectiveIncomeTaxRateReconciliationForeignTaxIncentives
Foreign tax incentives
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to foreign tax incentives.
Bank Loan Due November 2025 [Member]
Represents the bank loan due in November 2025.
us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Net loss
Bank of Beijing [Member]
Represents the bank of Beijing.
Bank Loans Due April 2025 [Member]
Represents bank loan due in April 2025.
Industrial Bank [Member]
Represents Industrial bank.
Bank Loan Due June 2025 [Member]
Represents bank loans due in June 2025.
China Merchants Bank [Member]
Represents the China merchants bank.
Bank Loan Due May 2025 Two [Member]
Represents the second bank loan due in May 2025.
us-gaap_AvailableForSaleSecuritiesDebtSecurities
Debt Securities, Available-for-Sale
Bank Loan Due February 2025 [Member]
Represents the bank loan due in February 2025.
Bank Loan Due January 2025 [Member]
Represents the bank loan due in January 2025.
Industrial and Commercial Bank of China [Member]
Represents industrial and commercial bank of China.
Bank Loan Due December 2025 [Member]
Represents bank loan due in December 2025.
China Citic Bank [Member]
Represents China citic bank.
Bank Loan Due October 2025 [Member]
Represents bank loan due in October 2025.
Joint Venture Investment Balance
Return of equity method investments as dividends
Represents information pertaining to dividend returns from equity method investments.
Bank Loan Due March 2025 [Member]
Represents bank loan due in March 2025.
NingBo Bank [Member]
Represents NingBo bank.
Equity in income of unconsolidated joint ventures
Equity method investments
Equity Method Investments
Equipment Lease [Member]
Represents the equipment lease.
Agricultural Bank of China [Member]
Represents the Agricultural bank of China.
Bank Loan Due July 2025 [Member]
Represents the bank loan due in July 2025.
Line of Credit [Member]
Provision for income taxes
Income Tax Expense (Benefit)
Total provision for income taxes
Effect of foreign currency translation attributable to redeemable noncontrolling interests
Represents the amount of effect of foreign currency translation on redeemable noncontrolling interests.
Bank Loans Due June 2026 [Member]
Represents the bank loans due in June 2026.
Bank Loan Due March 2026 Two [Member]
Represents the second bank loan due in March 2026.
Investor One [Member]
Represents the first investor.
axti_RedeemableNonControllingInterestsOwnershipPercentage
Redeemable Non Controlling Interests, Ownership Percentage
Represents the ownership percentage in redeemable noncontrolling interests.
axti_NumberOfInvestors
Number of Investors
The number of investors.
Lessee, Supplemental Cash Flow Information of Operating Leases [Table Text Block]
Tabular disclosure of supplemental cash flow information related to leases.
Equity issuance costs incurred
Represents the amount of stock issuance costs related to redeemable noncontrolling interests.
Investor Two [Member]
Represents the second investor.
Bank Loan Due September 2025 Two [Member]
Represents the second bank loan due in September 2025.
Bank Loans Due June 2026 Two [Member]
Represents the second loan due in June 2026.
us-gaap_OperatingExpenses
Total operating expenses
us-gaap_DefinedContributionPlanCostRecognized
Defined Contribution Plan, Cost
us-gaap_RestrictedCash
Restricted Cash
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Cash and cash equivalents
Emeishan Jia Mei High Purity Metals [Member]
Represents Emeishan Jia Mei High Purity Metals Investment.
Construction in Progress, Other Consolidated Subsidiaries [Member]
Represents construction in progress related to other consolidated subsidiaries.
Amendment Flag
City Area Code
Use of Estimates, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Equity Method Investment, Realized Gain (Loss) on Disposal
Loss on sale of equity investment
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss on disposal of equipment
Current Fiscal Year End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
Document Period End Date
Entity File Number
Entity Emerging Growth Company
Document Type
us-gaap_AssetImpairmentCharges
Asset Impairment Charges
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
us-gaap_AreaOfRealEstateProperty
Area of Real Estate Property (Square Foot)
Entity Public Float
Entity Filer Category
Entity Current Reporting Status
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Impairment, Long-Lived Asset, Held-for-Use
Award Timing MNPI Disclosure [Text Block]
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Statement of Comprehensive Income [Abstract]
Entity Tax Identification Number
Entity Central Index Key
Insider Trading Policies and Procedures [Line Items]
Entity Registrant Name
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Product Concentration Risk [Member]
Entity [Domain]
Customer Concentration Risk [Member]
Legal Entity [Axis]
Entity Address, Address Line One
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Entity Address, State or Province
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Axis]
Material Terms of Trading Arrangement [Text Block]
Concentration Risk Type [Domain]
Entity Common Stock, Shares Outstanding
Trading Arrangements, by Individual [Table]
Revenue Benchmark [Member]
Accounts Receivable [Member]
Trading Symbol
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Local Phone Number
us-gaap_TableTextBlock
Notes Tables
Selling, general and administrative
Provision for credit losses
us-gaap_InventoryRawMaterialsNetOfReserves
Raw materials
us-gaap_InventoryFinishedGoodsNetOfReserves
Finished goods
us-gaap_InventoryWorkInProcessNetOfReserves
Work in process
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Research and development
us-gaap_AssetsNoncurrent
Noncurrent assets
axti_PolicyTable
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Inventory Disclosure [Text Block]
Subsequent Event [Member]
Schedule of Inventory, Current [Table Text Block]
Inventory, Current [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Other intangible assets
Subsequent Events [Text Block]
Fair Value Measurement, Policy [Policy Text Block]
Fair Value of Financial Instruments, Policy [Policy Text Block]
Segment Reporting, Policy [Policy Text Block]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Other assets
Other Assets, Noncurrent
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Earnings Per Share, Policy [Policy Text Block]
Jai Mei [Member]
Represents Jai Mei.
us-gaap_Revenues
Net revenue
Operating expenses:
axti_JointVentureFormationProjectedInvestmentPayment
Joint Venture Formation, Projected Investment Payment
Represents the projected investment payment related to a joint venture formation.
Comprehensive Income, Policy [Policy Text Block]
Income Tax, Policy [Policy Text Block]
us-gaap_LesseeOperatingLeaseRenewalTerm
Lessee, Operating Lease, Renewal Term (Year)
Research and Development Expense, Policy [Policy Text Block]
us-gaap_AssetsCurrent
Current assets
Total current assets
Share-Based Payment Arrangement [Policy Text Block]
Equity [Text Block]
Advertising Cost [Policy Text Block]
us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Revenue from Contract with Customer [Policy Text Block]
Standard Product Warranty, Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsValuationAllowance
Valuation allowance
us-gaap_DeferredTaxAssetsNet
Total deferred tax assets
us-gaap_DeferredTaxAssetsLiabilitiesNet
Total net deferred tax assets (included in other assets)
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsGross
Gross deferred tax assets
Inventories
Inventory, Net
Revenue
us-gaap_InventoryValuationReserves
Inventory Valuation Reserves
Revenue from External Customers by Products and Services [Table Text Block]
us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Gain (Loss), Foreign Currency Transaction, before Tax
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
Accruals, reserves and other
axti_NonredeemableNoncontrollingInterestsIncreaseDecrease
Nonredeemable Noncontrolling Interests, Increase (Decrease)
Represents the amount of increase (decrease) in nonredeemable noncontrolling interests during the period.
Investments and Fair Value Measurement [Text Block]
The disclosure of investments and fair value measurements.
axti_CapitalReceivedApproved
Capital Received, Approved
Represents the amount of capital received that has been approved by a governmental entity.
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life (Year)
axti_CapitalReceivedFromPrivateEquityFunds
Capital Received From Private Equity Funds
Represents the amount of capital received from private equity funds during the period.
Schedule of Segment Reporting Information, by Segment [Table]
Allowances for credit losses
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Accounts receivable, net of allowances for credit losses of $164 and $147 as of December 31, 2025 and December 31, 2024
Accounts Receivable, after Allowance for Credit Loss, Current
Furniture and Fixtures [Member]
Building [Member]
Excess and Obsolete Inventory [Member]
Represents excess and obsolete inventory.
Leasehold Improvements [Member]
Property, Plant and Equipment, Policy [Policy Text Block]
axti_CashAndCashEquivalentsGrossUnrealizedGainBeforeTax
Cash, restricted cash and cash equivalents, unrealized gain
Represents the gross unrealized gain before tax related to cash and cash equivalents.
Property, Plant and Equipment [Table]
Other income, net
Other Nonoperating Income (Expense)
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
Segment Reporting Disclosure [Text Block]
us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Credit carryforwards
axti_CashAndCashEquivalentsGrossUnrealizedLossBeforeTax
Cash, restricted cash and cash equivalents, unrealized loss
Represents the gross unrealized loss before tax related to cash and cash equivalents.
Restricted cash
Restricted Cash, Current
us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Net operating loss carryforwards
Chief Financial Officer [Member]
Chao Yang LiMei [Member]
Represents Chao Yang LiMei.
Chief Executive Officer [Member]
Current assets:
Lower of Costs or Net Realized Value Inventory [Member]
Represents inventory that is recorded at lower of costs or net realized value.
Dingxing and Kazuo [Member]
Represents Dingxing and Kazuo.
The September and November 2025 BanK Loan [member]
The September and November 2025 bank loan.
February 2025 Bank Loan [Member]
Represents the February 2025 unsecured bank loan.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Cash, restricted cash and cash equivalents, amortized cost
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash, restricted cash and cash equivalents at the beginning of the year
Cash, restricted cash and cash equivalents at the end of the period
Inventory, Policy [Policy Text Block]
Effect of exchange rate changes on cash, restricted cash and cash equivalents
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash, restricted cash and cash equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by (used in) financing activities
Effect of foreign currency translation on redeemable noncontrolling interests
Represents the amount of foreign currency translation adjustments related to redeemable noncontrolling interests.
us-gaap_OperatingIncomeLoss
Loss from operations
Operating income
axti_DebtInstrumentOptionToRepurchaseProductionLineAndRelatedEquipment
Debt Instrument, Option to Repurchase Production Line and Related Equipment
Represents the option to repurchase a production line and related equipment related to a debt instrument.
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by (used in) operating activities
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Bank Loan Due November 2026 Two [Member]
Bank Loan Due November 2026 Two.
Cost of revenue
Bank Loan Due October 2026 Two [Member]
Bank Loan Due October 2026 Two.
us-gaap_GrossProfit
Gross profit
Gross profit
Bank Loan Due September 2026 Three [Member]
Bank Loan Due September 2026, Three.
Bank Loan Due November 2026 [Member]
Bank Loan Due November 2026.
Bank Loan Due October 2026 [Member]
Bank Loan Due October 2026.
Bank Loan Due December 2026 [Member]
Bank Loan Due December 2026.
us-gaap_DeferredTaxLiabilitiesLeasingArrangements
Operating lease right-of-use assets
Bank Loan Due November 2026 Three [Member]
Bank Loan Due November 2026 Three.
Investment, Policy [Policy Text Block]
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Equity Incentive Plan 2025 [Member]
Represents the Equity Incentive Plan 2025.
Scenario [Domain]
us-gaap_ProceedsFromContributedCapital
Proceeds from Contributed Capital
Schedule of Income Taxes Paid by Individual Jurisdiction [Table Text Block]
Tabular disclosure for income taxes paid by individual jurisdiction.
Revenue
us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Title and Position [Domain]
State, Current
Title and Position [Axis]
State, Deferred
Scenario [Axis]
Foreign, Current
Foreign, deferred
Federal, Current
Federal, Deferred
us-gaap_CurrentIncomeTaxExpenseBenefit
Total current
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Loss before provision for income taxes
New York State Division of Taxation and Finance [Member]
State Administration of Taxation, China [Member]
us-gaap_ProceedsFromMinorityShareholders
Proceeds from Noncontrolling Interests
ICFR Auditor Attestation Flag
Other comprehensive income (loss), net of tax:
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Enhanced research deduction
Amount of enhanced research deduction nondeductible expense.
State and Local Jurisdiction [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Domestic Tax Jurisdiction [Member]
Foreign Tax Jurisdiction [Member]
us-gaap_RepaymentsOfLongTermDebt
Payments on long-term loan
Accounts Receivable [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Accounting Policies [Abstract]
us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Arizona Tax Authority [Member]
Represents Arizona Tax Authority.
Oregon Tax Authority [Member]
Represents Oregon Tax Authority.
Equity Method Investment, Nonconsolidated Investee [Axis]
Proceeds from long-term loan
Equity Method Investment, Nonconsolidated Investee [Domain]
Auditor Name
Auditor Firm ID
us-gaap_IncomeTaxHolidayAggregateDollarAmount
Income Tax Holiday, Aggregate Dollar Amount
Auditor Location
us-gaap_RepaymentsOfShortTermDebt
Payments on short-term bank loans
Pledging Purpose [Domain]
Anti-dilutive securities (in shares)
Diluted (in shares)
Shares used in computing diluted net income (loss) per share (in shares)
Denominator for dilutive net loss per common shares (in shares)
Proceeds from short-term bank loans
Pledging Purpose [Axis]
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
us-gaap_ProceedsFromLinesOfCredit
Proceeds from Lines of Credit
Investments [Member]
Asset Class [Axis]
Asset Class [Domain]
Statement of Financial Position [Abstract]
Diluted (in dollars per share)
Basic (in shares)
Shares used in computing basic net income (loss) per share (in shares)
us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Other
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Total tax expense, percent
Basic (in dollars per share)
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Prior year tax adjustment, percent
Changes in valuation allowance, percent
Statement of Cash Flows [Abstract]
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Statement of Stockholders' Equity [Abstract]
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
us-gaap_EffectiveIncomeTaxRateReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary
Tax effect in equity method loss or gain from unconsolidated affiliates
Accrual for sales returns
Schedule of Accrued Liabilities [Table Text Block]
us-gaap_ProceedsFromContributionsFromParent
Proceeds from Contributions from Parent
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Other, percent
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Stock-based compensation, percent
Stock-based compensation
srt_StockRepurchaseProgramAuthorizedAmount1
Share Repurchase Program, Authorized, Amount
State and local income tax, net of federal income tax effect *, percent
Statutory tax rate difference, percent
Foreign tax rate differential
Asset Acquisition, Contingent Consideration, Liability, Current
Cash flows from financing activities:
Statutory rate, percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Prior year tax adjustment
Changes in valuation allowance
Proceeds from sales of equity securities - 15% Jia Mei
Proceeds from Sale of Equity Method Investments
Series A Preferred Stock [Member]
us-gaap_PaymentsToAcquireInterestInJointVenture
Payments to Acquire Interest in Joint Venture
Pledged Status [Domain]
Pledged Status [Axis]
us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther
Other
us-gaap_PaymentsToAcquireEquityMethodInvestments
Investments in non-marketable equity investments
Class of Stock [Axis]
Class of Stock [Domain]
us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Stock-based compensation
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
State and local income tax, net of federal income tax effect *
Statutory tax rate difference
Statutory rate
North America
axti_NoncurrentAssetsExcludingOtherAssets
Represents the amount of noncurrent assets excluding other assets.
Income Tax Disclosure [Text Block]
Schedule of Maturities of Long-Term Debt [Table Text Block]
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Proceeds from sales and maturities of available-for-sale debt securities
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Guarantees [Text Block]
Guarantor Obligation [Table]
us-gaap_PaymentsToAcquireInvestments
Payments to Acquire Investments
us-gaap_PaymentsForAdvanceToAffiliate
Payments for Advance to Affiliate
Fair Value Investment Balance
Secured Debt [Member]
us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Proceeds from Sale of Property, Plant, and Equipment
Credit Facility [Axis]
Consideration payable in connection with construction in progress, included in accrued liabilities
Credit Facility [Domain]
Cash, Cash Equivalent, and Investment [Table Text Block]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of property, plant and equipment
Common stock options (in shares)
Supplemental disclosure of non-cash flow information:
Income taxes paid, net of refunds
Income taxes paid, net of amounts refunded
Supplemental disclosures:
Net loss available to common stockholders
Investment [Table Text Block]
us-gaap_PreferredStockDividendsIncomeStatementImpact
Less: Preferred stock dividends
Effective Income Tax Rate Reconciliation [Table]
Net loss attributable to AXT, Inc.
Net loss attributable to AXT, Inc.
Restricted Stock [Member]
Performance Shares [Member]
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Unsecured Debt [Member]
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Equity Method Investment, Ownership Percentage
Equity Method Investment, Ownership Percentage
us-gaap_UndistributedEarnings
Undistributed Earnings, Basic
Cash flows from investing activities:
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Net loss attributable to AXT, Inc. per common share:
Earnings Per Share [Text Block]
Related Party Transaction [Table]
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
Related Party Transactions Disclosure [Text Block]
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued liabilities
CHINA
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
Income Tax Paid, Federal
us-gaap_IncomeTaxPaidFederalAfterRefundReceived
us-gaap_DebtInstrumentTerm
Debt Instrument, Term (Month)
Income Tax Paid, State and Local
us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived
Income Tax Paid, Foreign
us-gaap_InterestExpenseNonoperating
Interest expense, net
Other long-term liabilities
us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Allocated share based compensation expense
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive loss attributable to AXT, Inc.
us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
Restricted stock awards canceled
us-gaap_TreasuryStockSharesAcquired
Treasury Stock, Shares, Acquired (in shares)
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, shares outstanding (in shares)
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
us-gaap_IncreaseDecreaseInOtherOperatingAssets
Other assets
Interest Rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_VariableLeaseCost
Variable Lease, Cost
us-gaap_LeaseCost
Total
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
JAPAN
Weighted-average discount rate
Operating lease
Short-term lease expense
Lease, Cost [Table Text Block]
Weighted-average remaining lease term (years) (Year)
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Schedule of Long-Term Debt Instruments [Table]
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Stock-based compensation
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Stock issuance costs
us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury Stock, Value, Acquired, Cost Method
us-gaap_IncreaseDecreaseInInventories
Inventories
Common stock options exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)
Options, Exercised (in shares)
us-gaap_ProductWarrantyObligationTerm
Product Warranty Obligation, Term (Year)
us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
Restricted stock awards canceled (in shares)
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Issuance of common stock in the form of restricted stock (in shares)
Common stock options exercised
Issuance of common stock in the form of restricted stock
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
Options, Granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares)
Line of Credit Facility, Lender [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Issuance of common stock, net of stock issuance costs of $6,450 (in shares)
TAIWAN
us-gaap_LongTermDebtTerm
Long-Term Debt, Term (Year)
Lender Name [Axis]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities, redeemable noncontrolling interests and stockholders’ equity
Issuance of common stock, net of stock issuance costs of $6,450
Asset Pledged as Collateral [Member]
Accumulated deficit
Accumulated other comprehensive loss
Schedule of Short-Term Debt [Table Text Block]
Debt Disclosure [Text Block]
Changes in operating assets and liabilities:
Long-term portion of lease obligations
us-gaap_OperatingLeaseLiability
Present value of lease obligations
Deferred tax assets
Current portion of operating lease liabilities
Less: Current portion, included in accrued liabilities
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Operating lease right-of-use assets
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total minimum lease payments
us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Equity in income of unconsolidated joint ventures
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: Interest
us-gaap_DeferredIncomeTaxExpenseBenefit
Total deferred
2028
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
2029
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
2030
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive
Thereafter
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
2026
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2027
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
us-gaap_ShareBasedCompensation
Stock-based compensation
Subsidiary Bank Loan [Member]
Relating to subsidiary bank loan.
Enhanced research deduction, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to enhanced research deduction.
us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments
Amortization of marketable securities premium
Depreciation and amortization
Depreciation, Depletion and Amortization
us-gaap_CashAndCashEquivalentsFairValueDisclosure
Cash, restricted cash and cash equivalents, fair value
Non-cash consideration received from sale of DongFang
Common stock, $0.001 par value; 70,000 shares authorized; 55,337 and 45,358 shares issued and outstanding as of December 31, 2025 and December 31, 2024
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Common stock, shares authorized (in shares)
Common stock, shares issued (in shares)
Notes receivables paid to purchase fixed assets
Common stock, par value (in dollars per share)
Bank Loan Due September 2026 [Member]
Represents bank loan due September 2026.
Bank Loan Due July 2026 [Member]
Represents bank loan due July 2026.
Bank Loan Due July 2026 Two [Member]
Represents bank loan due July 2026.
Bank Loan Due September 2026 Two [Member]
Represents bank loan due September 2026.
Common Stock, Capital Shares Reserved for Future Issuance (in shares)
Statistical Measurement [Domain]
Operating cash flows from operating leases
Maximum [Member]
Minimum [Member]
Ownership [Domain]
Bank Loan Due August 2026 Two [Member]
Represents bank loan due August 2026.
Product and Service [Axis]
Bank Loan Due August 2026 [Member]
Represents bank loan due August 2026.
Product and Service [Domain]
Statistical Measurement [Axis]
Bank of Hangzhou [Member]
Represents the Bank of Hangzhou.
Investment, Name [Domain]
Preferred stock, liquidation preference
us-gaap_PreferredStockLiquidationPreference
Preferred Stock, Liquidation Preference Per Share (in dollars per share)
Ownership [Axis]
Preferred stock Series A, $0.001 par value; 2,000 shares authorized; 883 shares issued and outstanding as of December 31, 2025 and December 31, 2024 (Liquidation preference of $8,229 and $8,052 as of December 31, 2025 and December 31, 2024)
Preferred Stock, Value, Issued
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued (in shares)
North America [Member]
Interest expense paid
Investment, Name [Axis]
Property, Plant and Equipment Disclosure [Text Block]
Geographical [Axis]
Geographical [Domain]
Property, Plant and Equipment [Table Text Block]
Preferred stock, shares authorized (in shares)
Europe [Member]
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Customer [Axis]
Customer [Domain]
us-gaap_ProceedsFromDividendsReceived
Proceeds from Dividends Received
us-gaap_ProductWarrantyAccrualPayments
Cost of warranty repair
Accruals for warranties issued
us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease
Adjustments related to pre-existing warranties including expirations and changes in estimates
us-gaap_PreferredStockDividendRatePercentage
Preferred Stock, Dividend Rate, Percentage
Noncontrolling interests
Cash flows from operating activities:
Statement [Line Items]
Additional paid-in capital
AOCI Attributable to Parent [Member]
Schedule of Product Warranty Liability [Table Text Block]
Stockholders’ equity:
us-gaap_OtherAssetsMiscellaneousNoncurrent
Other assets
Schedule of Other Assets, Noncurrent [Table Text Block]
Redeemable noncontrolling interests (Note 17)
Balance
Balance
us-gaap_Liabilities
Total liabilities
Commitments and contingencies (Note 16)
us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Contract with Customer, Liability, Revenue Recognized
Prepaid expenses and other current assets
Counterparty Name [Axis]
Counterparty Name [Domain]
Other Nonoperating Income and Expense [Text Block]
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Parent Company [Member]
Subsidiaries [Member]
Consolidated Entities [Axis]
us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Equity Method Investment, Other-than-Temporary Impairment
Consolidated Entities [Domain]
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member]
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Equity Method Investment [Table]
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest [Member]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Noncontrolling Interest [Member]
AOCI Attributable to Noncontrolling Interest [Member]
Retained Earnings [Member]
us-gaap_TreasuryStockAcquiredAverageCostPerShare
Shares Acquired, Average Cost Per Share (in dollars per share)
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Share Repurchase Program, Remaining Authorized, Amount
Investment in subsidiary shares from noncontrolling interest
The amount of investment by non controlling interests in subsidiary shares.
Investment in subsidiary with noncontrolling interest
Amount of decrease (increase) in additional paid in capital (APIC) for the investments in subsidiary with noncontrolling interests.
axti_SaleOfLandAndBuildingToUnconsolidatedJointVenture
Proceeds from issuance of common stock and options exercised, net of issuance costs
Amount of sale of land and building to unconsolidated joint venture.
Additional Paid-in Capital [Member]
Percentage of equity interest sold
The percentage of equity interest sold.
Parent [Member]
Common Stock [Member]
Loan proceeds received by notes receivable
Amount of loan proceeds received by notes receivable in noncash (or part noncash) transaction.
Preferred Stock [Member]
Proceeds from capital increase in subsidiary shares from noncontrolling interests
Amount of cash inflow from capital increase in subsidiary shares from non-controlling interest.
Impaired Investment, Policy [Policy Text Block]
The entire policy disclosure for impaired investments.
Accounting for Sales Taxes in Net Revenues [Policy Text Block]
The entire policy disclosure for accounting for sales taxes in net revenues.
Specialty Material Substrates [Member]
Represents information pertaining to specialty material substrates.
Equity Components [Axis]
axti_NumberOfProductLines
Number Of Product Lines
The number of product lines.
Equity Component [Domain]
Tongmei stock-based compensation
Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement of subsidiary.
Investment in subsidiary with redeemable noncontrolling interest
Amount of decrease (increase) in additional paid in capital (APIC) for the investments in subsidiary with redeemable noncontrolling interests.
us-gaap_LongTermDebt
Long-Term Debt
Prepaid Expenses and Other Current Assets [Member]
Stock, Class of Stock [Table]
Beijing Boyu Semiconductor Vessel Craftwork Technology Co [Member]
Represents information pertaining to the Beijing Boyu Semiconductor Vessel Craftwork Technology Co.
Other Noncurrent Liabilities [Member]
axti_TemperatureInCelsius
Temperature In Celsius
The amount of temperature in Celsius.
Raw Materials [Member]
Represents information pertaining to raw materials.
Other Assets [Member]
axti_NumberOfMinorityInvestmentEntitiesAccountedUnderEquityMethod
Number of Minority Investment Entities Accounted Under Equity Method
The number of minority investment entities accounted under the equity method.
axti_EffectiveIncomeTaxRateReconciliationForeignIncomeInclusion
Foreign income inclusion
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income inclusion.
Short Term Loan, Noncontrolling Interest [Member]
Represents information pertaining to the short-term loan from noncontrolling interests.
Chao Yang Tongmei High Purity Semiconductor Materials Co Ltd. [Member]
Represents information pertaining to Chao Yang Tongmei High Purity Semiconductor Materials Co Ltd.
axti_IncomeLossFromGovernmentSubsidy
Income from local China government subsidy
The amount of income (loss) from government subsidy.
axti_DeferredTaxAssetsOperatingLeaseLiability
Operating lease liability
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities.
axti_OtherNonoperatingIncomeExpenseOthers
Other expense
The other net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period.
Automobiles [Member]
Document Annual Report
Machinery and Equipment [Member]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Domain]
Entity Incorporation, State or Country Code
Document Transition Report
Document Financial Statement Error Correction [Flag]
Short-Term Debt
us-gaap_ShortTermBorrowings
Short-Term Debt
Selling, General and Administrative Expenses [Member]
Entity Interactive Data Current
Exercise Price Range Three [Member]
Represents information pertaining to the third exercise price range.
Exercise Price Range Two [Member]
Represents information pertaining to the second exercise price range.
Exercise Price Range Five [Member]
Represents information pertaining to the fifth exercise price range.
Exercise Price Range Four [Member]
Represents information pertaining to the fourth exercise price range.
Security Exchange Name
Exercise Price Range One [Member]
Represents information pertaining to the first exercise price range.
Title of 12(b) Security
axti_EffectOfStockBasedCompensationOnDilutedEarningsPerShare
Effect on diluted net income (loss) per share (in dollars per share)
Effect of stock-based compensation on diluted earnings per share.
axti_EffectOfStockBasedCompensationOnBasicEarningsPerShare
Effect on basic net income (loss) per share (in dollars per share)
Effect of stock-based compensation on basic earnings per share.
Cost of Sales [Member]
Schedule of Share based Compensation, Common Stock Reserved For Future Issuance [Table Text Block]
Tabular disclosure of common shares reserved for future issuance.
us-gaap_ValuationAllowancesAndReservesRecoveries
SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery
Research and Development Expense [Member]
us-gaap_ValuationAllowancesAndReservesBalance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Statement of Income Location, Balance [Axis]
us-gaap_ValuationAllowancesAndReservesDeductions
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Statement of Income Location, Balance [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
axti_TermOfAgreement
Term of Agreement (Year)
Term of agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.
Stock-based compensation attributable to redeemable noncontrolling interests
The amount of stock-based compensation attributable to redeemable non-controlling interest.
axti_TotalInvestmentAgreementValue
Total Investment Agreement Value
Total estimated investment value to related party including assets and capital.
us-gaap_RedeemableNoncontrollingInterestEquityRedemptionValue
Redeemable Noncontrolling Interest, Equity, Redemption Value
Emeishan Jia Mei High Purity Metals Co., Ltd.
Subsidiary, Ownership Percentage, Noncontrolling Owner
axti_PercentageOfTargetedFinancialPerformance
Percentage of Targeted Financial Performance
Percentage of targeted financial performance.
Restricted Stock, Restricted Stock Units, and Performance Awards [Member]
Represents information pertaining to restricted stock, restricted stock units, and performance awards.
Scenario, Performance Financial Metric Is Between 50% To 200% [Member]
Represents information pertaining to the performance financial metric, between 50% and 200%, scenario.
Scenario, Performance Financial Metric Less Than 50% [Member]
Represents information pertaining to the performance financial metric, less than 50%, scenario.
Redeemable Noncontrolling Interest [Table Text Block]
Redeemable Noncontrolling Interest [Table]
Equity Incentive Plan 2007 [Member]
Represents information pertaining to the 2007 Equity Incentive Plan.
us-gaap_MinorityInterestPeriodIncreaseDecrease
Noncontrolling Interest, Period Increase (Decrease)
Bank Loans Due October 2024 [Member]
Represents information pertaining to the bank loan due October 2024.
NanJing Bank [Member]
Represents information pertaining to NanJing Bank.
Statement [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Joint Venture Investment, Ownership Percentage
Subsidiary, Ownership Percentage, Parent
Noncontrolling Interest Disclosure [Text Block]
PRC Subsidiaries And Raw Material Joint Ventures [Member]
Represents information pertaining to PRC subsidiaries and raw material joint ventures.
Equity Method Investment, Summarized Balance Sheet Information [Table Text Block]
Tabular disclosure of balance sheet information of minority investment entities that are not consolidated and accounted under the equity method.
us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Disposal Group, Including Discontinued Operation, Consideration
Income Statement [Abstract]
2027
2028
Disposal Group Name [Axis]
axti_EnterpriseIncomeTaxLawPercentage
Enterprise Income Tax Law Percentage
Represents information pertaining to the "EIT" or Enterprise Income Tax Law rate.
2029
Disposal Group Name [Domain]
Scenario, Performance Financial Metric, Greater Than 200% [Member]
Represents information pertaining to the performance financial metric, greater than 200%, scenario.
axti_EquityMethodInvestmentsIncomeLossExcludingImpairmentCharges
Equity Method Investments, Income (Loss), Excluding Impairment Charges
The amount of net income (loss) from an equity method investment, excluding impairment charges.
2025
2026
axti_BenefitFromPreferentialTaxRatePercentage
Benefit From Preferential Tax Rate Percentage
Represents the percentage benefit of preferential tax rate compared to uniform income tax rate.
axti_PreferentialTaxRate
Preferential Tax Rate
Represents the preferential tax rate for High and New Technology Enterprises "HTE."
Accounting Standards Update and Change in Accounting Principle [Table]
Offsetting Liabilities [Table]
One Customer [Member]
Represents information pertaining to one customer.
Other Commitments [Table]
us-gaap_LiabilitiesNoncurrent
Noncurrent liabilities
Third-party Customers [Member]
Represents information pertaining to third-party customers.
Current Top Five Customers [Member]
Represents information pertaining to the current top five customers.
SEC Schedule, 12-09, Reserve, Sales Returns [Member]
Sales returns from right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.
Raw Material Sales [Member]
Represents information pertaining to raw material sales.
us-gaap_OtherLiabilitiesNoncurrent
Other long-term liabilities
Disaggregation of Income Statement Expense, Caption [Table]
us-gaap_StockholdersEquity
Total AXT, Inc. stockholders’ equity
Shares outstanding, weighted average exercise price (in dollars per share)
Shares outstanding, weighted average remaining contractual life (Year)
us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
Shares exercisable (in shares)
Shares exercisable , weighted average exercise price (in dollars per share)
Upper range (in dollars per share)
Shares outstanding (in shares)
us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
us-gaap_OtherReceivablesNetCurrent
Other Receivables, Net, Current
Exercise Price Range [Axis]
Exercise Price Range [Domain]
Lower range (in dollars per share)