Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Condensed Consolidated Balance Sheets Statement [Table] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Capitalized Contract Cost, Net, Current Deferred costs at end of period Deferred costs at beginning of year Deferred costs Prepaid Expense and Other Assets, Current Prepaid expenses and other assets Assets, Current Total current assets Property, Plant and Equipment, Net Total Fixed assets, net Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Contract assets Intangible Assets, Net (Excluding Goodwill) Finite-Lived Intangible Assets, Net Patents and other intangible assets, net Assets Total Assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current Liabilities: Accounts Payable, Current Accounts payable and accrued liabilities Operating Lease, Liability, Current Current lease liabilities Current portion of lease liabilities Accrued Liabilities, Current Accrued compensation and related taxes Contract with Customer, Liability, Current Contract liabilities Other Liabilities, Current Other current liabilities Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Long Term Liabilities: Operating Lease, Liability, Noncurrent Long term lease liabilities Long term lease liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 10) Equity, Attributable to Parent [Abstract] Stockholders' Equity: Preferred Stock, Value, Issued Preferred stock, $0.0001 par value, 2,000,000 shares authorized, no shares issued or outstanding Common Stock, Value, Issued Common stock, $0.0001 par value, 87,500,000 shares authorized, 6,307,455 and 5,328,730 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Including Portion Attributable to Noncontrolling Interest Ending Balance Beginning Balance Total stockholders' equity Liabilities and Equity Total Liabilities and Stockholders' Equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, authorized shares Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, authorized shares Common Stock, Shares Authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split ratio Condensed Consolidated Statements of Operations and Comprehensive Loss Revenue from Contract with Customer, Including Assessed Tax Revenues Cost of Revenue Cost of goods sold Gross Profit Gross profit (loss) Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other income, net: Interest Income (Expense), Nonoperating Interest income Government Assistance, Nonoperating Income, Increase (Decrease) Government assistance Other Nonoperating Income (Expense) Other income, net Nonoperating Income (Expense) Total other income, net Net loss Earnings Per Share, Basic Net loss per share - basic Earnings Per Share, Diluted Net loss per share - fully diluted Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Weighted average number of shares outstanding - fully diluted Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive loss: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Foreign-exchange translation adjustments Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Condensed Consolidated Statements of Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Retained Earnings [Member] Accumulated Deficit Shares, Outstanding Ending Balances (in shares) Beginning Balances (in shares) Value, after forfeiture, of shares issued under share-based payment arrangement, net of tax withholdings for the reporting period. Excludes employee stock ownership plan (ESOP). Shares Issued, Value, Share-Based Payment Arrangement, Net Of Tax Withholdings Share-based compensation, net of tax withholdings Number, after forfeiture, of shares issued under share-based payment arrangement, net of tax withholdings for the reporting period. Excludes employee stock ownership plan (ESOP). Shares Issued, Shares, Share-Based Payment Arrangement, Net Of Tax Withholdings Share-based compensation, net of tax withholdings (in shares) Value of stock (or other type of equity) issued during the period as a result of any payment of accrued compensation. Stock Issued During Period Value In Payments Of Accrued Compensation Fair value of stock issued in payment of accrued compensation Fair value of stock payments in accrued compensation, Fair Value Number of stock (or other type of equity) issued during the period as a result of any payment accrued compensation. Stock Issued During Period Shares In Payments Of Accrued Compensation Fair value of stock issued in payment of accrued compensation (in shares) Fair value of stock payments in accrued compensation, Number of Shares Stock Issued During Period, Value, Issued for Services Shares issued for services Stock Issued During Period, Shares, Issued for Services Shares issued for services (in shares) Stock Issued During Period, Value, New Issues Issuance of common stock in public offering, net of expenses Stock Issued During Period, Shares, New Issues Number of shares of common stock issued Issuance of common stock in public offering, net of expenses (in shares) Value of stock issued as a result of the exercise of warrants. Stock Issued During Period, Value, Warrants Exercised Exercise of warrants Shares of stock issued as a result of the exercise of warrants. Stock Issued During Period, Shares, Warrants Exercised Exercise of warrants (in shares) Shares of stock issued as a result of the exercise of prefunded warrants. Stock Issued During Period, Shares, Prefunded Warrants Exercised Exercise of prefunded warrants (in shares) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign-exchange translation adjustment Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Issuance of Stock and Warrants for Services or Claims Common stock issued for services Share-Based Payment Arrangement, Noncash Expense Share-based compensation, net of tax withholdings The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets, excluding right-of-use assets, to periods that benefit from use of the assets. Depreciation And Amortization Excluding Right-of-use Asset Amortization Depreciation and amortization Impairment of Intangible Assets, Finite-Lived Impairment Impairment of intangible assets Operating Lease, Right-of-Use Asset, Periodic Reduction Right-of-use asset amortization Increase (Decrease) in Operating Capital [Abstract] Change in operating assets and liabilities: Net change during the period in capitalized costs to obtain or fulfill contracts with customers recognized as assets under ASC 340-40. Increase (Decrease) in Capitalized Contract Costs Deferred costs Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense Prepaid expenses and other assets Increase (Decrease) in Contract with Customer, Asset Contract assets Increase (Decrease) in Accounts Payable Accounts payable, accrued liabilities, and lease liabilities Increase (Decrease) in Other Current Liabilities Other current liabilities Increase (Decrease) in Employee Related Liabilities Accrued compensation and related taxes Increase (Decrease) in Contract with Customer, Liability Contract liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Acquisition of fixed assets Payments to Acquire Intangible Assets Disbursements for patents and other intangible assets Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Issuance of Common Stock Proceeds from issuance of common stock, net of offering costs Aggregate gross proceeds Proceeds from Warrant Exercises Proceeds from exercise of warrants Payment, Tax Withholding, Share-Based Payment Arrangement Taxes paid related to employee stock awards Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: The amount of officer and employee equity awards for prior year accrued compensation. Officer And Employee Equity Awards For Prior Year Accrued Compensation Officer and employee equity awards for prior year accrued compensation The amount of non cash impact on new lease. Non Cash Impact Of New Lease Non-cash impact of new lease Organization and Description of Business Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Organization and Description of Business Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies No definition available. Fixed Assets, Net Property, Plant and Equipment Disclosure [Text Block] Fixed Assets, Net Patents and Other Intangible Assets, Net Intangible Assets Disclosure [Text Block] Patents and Other Intangible Assets, Net Revenue, Contract Assets, and Contract Liabilities Revenue from Contract with Customer [Text Block] Revenue, Contract Assets, and Contract Liabilities Deferred Costs Disclosure of information related to costs to obtain and fulfill contracts with customers, including the nature of capitalized costs, accounting policies for recognition and measurement, amortization of such costs, impairment or expected loss recognition, and related activity during the reporting period. Contract with Customer Costs [Text Block] Deferred Costs Product Warranties Product Warranty Disclosure [Text Block] Product Warranties Equity Summary of Significant Accounting Policies Equity [Text Block] Equity Net Loss per Common Share Earnings Per Share [Text Block] Net Loss per Common Share Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Government Assistance Government Assistance [Text Block] Government Assistance Subsequent Events Subsequent Events [Text Block] Subsequent Events Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Disclosure of the accounting policy and explanatory information related to a reverse stock split, including the nature of the transaction, the ratio of shares affected, the treatment of fractional shares, and the retrospective adjustment of share and per-share amounts presented in the financial statements. Stockholders' Equity, Reverse Stock Split [Policy Text Block] Reverse Stock Split Use of Estimates, Policy [Policy Text Block] Use of Estimates Standard Product Warranty, Policy [Policy Text Block] Product Warranties Research and Development Expense, Policy [Policy Text Block] Research and Development Disclosure of accounting policy for foreign operations. Foreign Operations [Policy Text Block] Foreign Operations New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Property, Plant and Equipment [Table Text Block] Schedule of fixed assets, net Lease, Cost [Table Text Block] Schedule of supplemental balance sheet information Tabular disclosure of supplemental cash flow information related to leases. Summary Supplemental Cash Flow Information Related to Leases [Table Text Block] Schedule of supplemental cash flow information related to operating leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of minimum future payments Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of patents and other intangible assets, net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of future amortization expense Capitalized Contract Cost [Table Text Block] Schedule of deferred costs activity Schedule of Product Warranty Liability [Table Text Block] Summary of warranty liability activity Plan Name [Axis] Plan Name [Domain] Represents Equity Incentive Plan. Equity Incentive Plan [Member] Equity Incentive Plan Represents Consultant Plan. Consultant Stock Plan Non qualified stock option. Non-Qualified Stock Option Non-Qualified Stock Option Restricted Stock Units (RSUs) [Member] Restricted stock units Summary of warrants outstanding. Summary Of Warrants Outstanding [Table Text Block] Summary of warrants outstanding Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Schedule of outstanding, reserved and authorized shares under share-based compensation plans Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of weighted-average assumptions utilized in the calculation of the fair market value of stock options granted Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock option activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Schedule of restricted stock unit activity Share-Based Payment Arrangement, Activity [Table Text Block] Schedule of share-based compensation activity Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Schedule of compensation expense The tabular disclosure of awards to employees for stock in lieu of cash payment for compensation. Schedule of Awards to Employees Stock in Lieu of Cash Payment for Compensation [Table Text Block] Schedule of awards to employees stock in lieu of cash payment for compensation Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of potentially dilutive securities that have not been included in the computation of diluted net loss per share Organization and Description of Business [Table] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations [Member] Suspended status Disposal Group Name [Axis] Disposal Group Name [Domain] ClearSign Asia Limited. ClearSign Asia Limited [Member] ClearSign Asia Limited Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Revenue from Contract with Customer Benchmark [Member] Revenue from Contract with Customer Benchmark Concentration Risk Type [Axis] Concentration Risk Type [Domain] Geographic Concentration Risk [Member] Geographic concentration risk Geographical [Axis] Geographical [Domain] UNITED STATES Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Organization and Description of Business [Line Items] Organization and Description of Business Represents period for suspended status, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Suspended Status, Period Suspended status, period Number of Operating Segments Number of operating segment Number of Reportable Segments Number of reportable segment Concentration Risk, Percentage Concentration risk percentage Subsequent Event [Table] Research and Development, Contract to Perform for Others [Table] Research and Development Arrangement, Contract to Perform for Others [Line Items] Summary of Significant Accounting Policies Research and Development Arrangement with Federal Government, Customer Funding to Offset Costs Incurred Research and development Property, Plant and Equipment [Table] CHINA ClearSign Asia Limited Property, Plant and Equipment [Line Items] Fixed Assets, Net Summary of Significant Accounting Policies Amount of capital requirement. Capital Requirement Registered capital requirement Amount of capital requirement that has been satisfied/paid as of balance sheet date. Capital Requirement Satisfied Capital requirement paid Furniture and Fixtures, Gross Office furniture and equipment Leasehold Improvements, Gross Leasehold improvements Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease, before Accumulated Depreciation Fixed assets, gross Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease, Accumulated Depreciation Accumulated depreciation and amortization Amount, after accumulated depreciation and excluding construction in progress and lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of physical asset used in normal conduct of business to create and distribute product and service. Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease And Construction in Progress, after Accumulated Depreciation Fixed assets, net, after accumulated amortization Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Operating lease ROU assets, net Depreciation Depreciation expense Lessee, Lease, Description [Table] Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Represents the information pertaining to Seattle Washington Seattle [Member] Seattle Represents the information pertaining to Tulsa Oklahoma Tulsa [Member] Tulsa Lessee, Lease, Description [Line Items] Fixed Assets, Net Lessee, Operating Lease, Renewal Term Renewal option term Represents short term of monthly rent expense. Operating Leases Short Term Monthly Rent Expense Short term monthly rent expense Amount of increase (decrease) in operating lease, right of use assets. Increase (Decrease) in Operating Lease Right Of Use Asset Increase (decrease) in operating lease right of use asset Lessee, Operating Lease, Term of Contract Agreement expiration term (in years) Short-Term Lease, Cost Short term lease expense Lessee, Operating Lease, Remaining Lease Term Remaining term (in years) Represents percentage of Annual rent expense increase. Excludes triple net operating costs. Percentage Operating Leases Annual Rent Expense Increase Annual rent expense, increase (in percent) Represents monthly rent expense. Excludes triple net operating costs. Operating Leases, Monthly Rent Expense Monthly rent expense Operating Lease, Cost Operating lease cost Leases [Abstract] Operating Lease Operating Lease, Right-of-Use Asset Operating lease ROU assets, net Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability [Abstract] Lease Liabilities: Operating Lease, Liability Total payment due under lease agreement Total lease liabilities Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term (in years) Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] Cash paid for amounts included in the measurement of lease liabilities: Payments for Rent Operating cash flows used in operating leases Increase (Decrease) in Operating Lease Liability Change in operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in operating lease ROU assets Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 (remaining) Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Lessee, Operating Lease, Liability, to be Paid Total future lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Intangible Asset, Finite-Lived [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Represents patents pending. Patents pending Patents pending Represents issued patents. Issued patents Issued patents Represents registered trademarks. Registered trademarks Registered trademarks Finite-Lived Intangible Assets [Line Items] Patents and Other Intangible Assets, Net Finite-Lived Patents, Gross Patents Finite-Lived Trademarks, Gross Trademarks Other Finite-Lived Intangible Assets, Gross Other Finite-Lived Intangible Assets, Gross Patents and other intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year 2026 (remaining) Finite-Lived Intangible Asset, Expected Amortization, Year One 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four 2030 Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized 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). Finite Lived Intangible Assets Amortization Expense Due After Year Four Thereafter Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Intellectual Property [Member] Patent and trademark Patents [Member] Patents Trademarks [Member] Trademarks Maximum [Member] Maximum Amortization of Intangible Assets Amortization expense Finite-Lived Intangible Asset, Useful Life Amortization life (in years) Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Revenue, Contract Assets, and Contract Liabilities Number of categories of performance obligations. Number of Categories of Performance Obligation Number of categories of performance obligation The term within which customer makes payment from the date of billing. Customer Payment Term Customer payment term Term of the customer contracts. Customer Contract Term Customer contract term Cost of Goods and Services Sold Cost of goods sold Contract with Customer, Asset, after Allowance for Credit Loss Total contract assets Contract with Customer, Liability Total contract liabilities Contract with Customer, Liability, Revenue Recognized Revenue recognized Capitalized Contract Cost [Table] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Domain] Component of capitalized contract costs representing internal labor costs and allocated overhead expenses directly attributable to fulfilling contracts with customers. Labor and Overhead Allocations [Member] Labor and overhead allocations Component of capitalized contract costs representing amounts incurred from third-party suppliers and subcontractors directly related to fulfilling contracts with customers. Supplier and Subcontractor Costs [Member] Supplier and subcontractor costs Capitalized Contract Cost [Line Items] Deferred Costs Reconciliation of the carrying amount of capitalized costs to obtain and fulfill contracts with customers, net of accumulated amortization and impairment, for the reporting period. The roll-forward includes the beginning balance, additions of capitalized costs, amortization recognized, impairment losses, and the ending balance. Capitalized Contract Cost, Net [Roll Forward] Capitalized Contract Cost, Net [Roll Forward] Amount of costs capitalized during the period as assets related to obtaining or fulfilling contracts with customers, including internal labor, allocated overhead, and external supplier or subcontractor costs expected to be recovered. Capitalized Contract Costs, Additions Capitalization Capitalized Contract Cost, Amortization Amortization of deferred costs Capitalized Contract Cost, Impairment Loss Impairment of costs in excess of contractual value Product Warranty Liability [Table] Product Warranty Liability [Line Items] Product Warranties Standard Product Warranty Accrual Warranty liability at end of period Warranty liability at beginning of year Standard Product Warranty Accrual, Increase for Warranties Issued Accruals Standard Product Warranty Accrual, Decrease for Payments Payments Amount of decrease in the standard product warranty accrual from changes in accrual related to expirations of product warranties. Standard Product Warranty Accrual, Expirations Changes related to expirations and settlements Stock, Class of Stock [Table] Sale of Stock [Axis] Sale of Stock [Domain] Represents information pertaining to At-The-Market Offering. ATM Class of Stock [Line Items] Equity Percentage of beneficial interest in the company owned by the investor. Stock Issued, Investor, Beneficial Ownership Percentage Stock issued, investor, beneficial ownership percentage Offering price of ATM common stock Aggregate Offering Price in At The Market Aggregate offering price Class of Warrant or Right [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Warrant [Member] Warrants Represents the information pertaining to Participation Right Pre-Funded Warrants, Private Pre-Funded Warrants, collectively known as the "Pre-Funded Warrants". Pre-Funded Warrants [Member] Pre-Funded Warrants Class of Warrant or Right [Line Items] Equity A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Warrants, Outstanding [Roll Forward] Number Class of Warrant or Right, Outstanding Warrants Outstanding at end of period (in shares) Warrants Outstanding at beginning of period (in shares) Number of warrants exercised during the current period. Warrants, Exercises in Period Exercised A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Warrants, Weighted Average Exercise Price [Roll Forward] Wtd. Avg. Exercise Price Weighted average exercise price per share or per unit of warrants or rights outstanding. Class of Warrant or Right, Weighted Average Exercise Price of Warrants or Rights Outstanding at Period End Beginning Balance Weighted average price at which warrant holders acquired shares when converting their warrants into shares. Warrants, Exercises in Period, Weighted Average Exercise Price Exercised Weighted average remaining contractual term for warrants outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Warrants, Outstanding, Weighted Average Remaining Contractual Term Outstanding, Wtd. Avg. Remaining Life (in years) Warrants and Rights Outstanding Aggregate Intrinsic Value Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Represents the information pertaining to two thousand and twenty one plan. 2021 Plan Represents information pertaining to Amended and Restated 2021 Equity Incentive Plan. Amended and Restated 2021 Equity Incentive Plan [Member] A&R 2021 Plan Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Equity Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Maximum number of shares that may be issued as a proportion of outstanding stock Maximum increase in shares available for issuance under share based payment awards. Share-based Compensation Arrangement by Share-based Payment Award, Maximum Increase Shares Available for Issuance Maximum increase in number of shares available for issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Increases in the number of authorized shares The number of shares of stock already awarded under the share-based compensation plan, including options and restricted stock units. Outstanding Options and Restricted Stock Units Outstanding options and restricted stock units Common Stock, Capital Shares Reserved for Future Issuance Reserved but unissued shares under the A&R 2021 Plan Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Total shares reserved under the A&R 2021 Plan at end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Weighted average volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Weighted average risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend rate Equity Option [Member] Equity Option Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Outstanding shares, ending balance Outstanding shares, beginning balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Granted (in shares) Grants of stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Forfeited/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding - Weighted Average Exercise Price (in dollars per share) Outstanding - Weighted Average Exercise Price (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercise price (in dollars per share) Granted - Weighted Average Exercise Price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Forfeited/Expired - Weighted Average Exercise Price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable - Weighted Average Exercise Price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding - Weighted Average Remaining Contractual Life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable - Weighted Average Remaining Contractual Life (in years) Share-Based Payment Arrangement, Expense Compensation expense Share-based compensation expense Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Outstanding end of period Aggregate Intrinsic Value, Outstanding beginning of year Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Total unrecognized compensation Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Contractual life Grantee Status [Axis] Grantee Status [Domain] Share-Based Payment Arrangement, Employee [Member] Employee compensation in lieu of bonus Title and Position [Axis] Title and Position [Domain] Director [Member] Director Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation expense Amount of unrecognized compensation expense for director services. Unrecognized Compensation Expense For Director Services Unrecognized compensation expense for director services Amount reserved to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. Reserve for Share-based Compensation Tax Withholdings Reserve for share-based compensation tax withholdings Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Nonvested at end of period Nonvested at beginning of year Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Nonvested at end of period Nonvested at beginning of year Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Weighted Average Remaining Contractual Life, Nonvested N/A Weighted Average Value Per Share Weighted average value per share Represents the weighted average share price for stock issued during the period for payments in accrued compensation. Weighted Average Share Price, Stock Issued for Payments Of Accrued Compensation Per Share Fair value of stock payments in accrued compensation, Weighted Average per Share It represents increase decrease in percentage of share based compensation. Increase Decrease Of Share Based Compensation Arrangement By Share Based Payment Award Percentage Maximum increase in available number of authorized shares as a percentage of new shares issued Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Reserved but unissued shares at end of year Reserved but unissued shares at beginning of year Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Grants Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] A private prefunded warrants is a direct offering of securities to a limited number of sophisticated investors such as insurance companies, pension funds, mezzanine funds, stock funds and trusts. Private Pre-Funded Warrants Private Placement [Member] Private Placement Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Net Loss Per Common Share Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price (in dollars per share) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total shares excluded from calculation Accrued Professional Fees, Current Estimate cost for legal services Total amount requested for legal fee advancement by former directors in proceedings filed after the reporting period. Represents the aggregate legal fees claimed as part of the advancement proceeding. Total Legal Fees Requested for Advancement Total advancement amount Government Assistance [Table] Government Assistance, Type [Axis] Government Assistance, Type [Domain] Information pertaining to research grant from the Department of Energy. Research Grant From The Department Of Energy [Member] Research Grant From the Department of Energy Government Assistance [Line Items] Government Assistance The total amount of the research grant award. Research Grant, Total Award Amount Total award Government Assistance, Transaction Duration Duration of the program Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Events Represents information pertaining to stock purchase agreement. Stock Purchase Agreement [Member] Private Purchase Agreement Scenario [Axis] Scenario [Domain] Pro Forma [Member] Pro Forma Subsequent Event [Line Items] Subsequent Events Shares Issued, Price Per Share Shares Issued Price per share Sale of Stock, Consideration Received on Transaction Net proceeds n/a Rule10b51ArrModifiedFlag Rule 10b5-1 Arrangement Modified n/a NonRule10b51ArrModifiedFlag Non-Rule 10b5-1 Arrangement Modified