Reduction of research and development expenses. Revenue reserves Revenue reserves. Second half of 2021 goals. Plan Name [Domain] Plan Name [Axis] Unpaid intangibles, net Noncash or Part Noncash Acquisition, Intangible Assets Acquired Net income (loss) Income tax expense Commitments and contingencies (Note 9) Common stock, $0.0001 par value - 200,000 shares authorized; 19,254 and 17,150 shares issued and outstanding at September 30, 2021 and December 31, 2020 Agreement termination date Agreement Termination Date Agreement termination date. Other non-current liabilities Other Liabilities, Noncurrent Other Liabilities, Noncurrent, Total Non-recurring engineering services policy text block. Non-recurring Engineering Services Non-recurring Engineering Policy Text Block Entity Central Index Key Entity Central Index Key Finite lived intangible assets amortization expense year four and after year four. Finite Lived Intangible Assets Amortization Expense Year Four And After Year Four 2025 and beyond Lessee operating lease liability payments due after year four. Lessee Operating Lease Liability Payments Due After Year Four 2026 and beyond Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Accrued expenses and other current liabilities. Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Accrued expenses and other current liabilities Statement of Financial Position [Abstract] Assets [Abstract] Assets: Assets, Current [Abstract] Current assets: Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations End of period Beginning of period Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Accounts receivable, net Accounts Receivable, Related Parties, Current Related party accounts receivable Inventory, Net Inventories Total inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Finite-Lived Intangible Assets, Net Intangible assets, net Net Assets Operating Lease, Right-of-Use Asset Right-of-use assets, net Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity: Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulated Deficit Sale of Stock [Axis] Sale of Stock Sale of Stock [Domain] Sale of Stock Follow-on public offering. Follow On Public Offering [Member] Follow-on Public Offering Statement [Line Items] Statement [Line Items] APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense Stock Issued During Period, Value, New Issues Issuance of common stock upon follow-on public offering net of underwriting discounts and commissions and other offering costs Stock Issued During Period, Shares, New Issues Issuance of common stock upon follow-on public offering net of underwriting discounts and commissions and other offerings costs, Shares Issuance of common stock upon follow-on public offering net of underwriting discounts and commissions and deferred offerings costs, Shares Restricted Stock, Value, Shares Issued Net of Tax Withholdings Issuance of shares upon vesting of restricted stock units, net of tax withholdings Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Issuance of shares upon vesting of restricted stock units, net of tax withholdings, Shares Increase decrease in lease liabilities. Increase Decrease In Lease Liabilities Lease liabilities Statement of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities Depreciation, Depletion and Amortization Depreciation and amortization expense Share-based Payment Arrangement, Noncash Expense Stock-based compensation expense Impairment of Intangible Assets, Finite-lived Impairment of internal-use software Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable, net Increase (Decrease) in Accounts Receivable, Related Parties Deferred non-recurring engineering services Deferred non-recurring engineering services Accrued expenses and other non current liabilities Accrued expenses and other non current liabilities. Net Income (Loss) Per Share Earnings Per Share [Text Block] Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total Anti-dilutive weighted shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Non-recurring Engineering Services Non-recurring Engineering Services [Member] Non-recurring engineering services. Product and Service [Domain] Product and Service [Axis] Reduction of research and development expense Reduction of Research and Development Expenses First Half of 2021 One Goals First Half of Twenty Twenty One Goals [Member] First half of 2021 goals. 2020 Goals Twenty Twenty Goals [Member] 2020 goals. Second Half of 2021 Goals Second Half of Twenty Twenty One Goals [Member] Related party accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Payments to Acquire Intangible Assets Cash paid for intangibles 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 public offering, net of underwriting discounts and commissions Payments of Stock Issuance Costs Payments for offering costs Payment, Tax Withholding, Share-based Payment Arrangement Tax withholding paid on behalf of employees for net share settlement Proceeds from Lines of Credit Proceeds from loans from financial institutions Repayments of Lines of Credit Principal payments on loans to financial institutions Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information Interest Paid, Excluding Capitalized Interest, Operating Activities Interest paid during the period Income Taxes Paid, Net Income taxes paid Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of noncash flow information Noncash or Part Noncash Acquisition, Fixed Assets Acquired Unpaid property and equipment Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating Lease, Cost Operating lease cost Short-term Lease, Cost Short-term lease cost Variable Lease, Cost Variable lease cost Lease, Cost Total lease cost Operating Lease, Payments Cash paid for operating lease liabilities Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2021 Lessee, Operating Lease, Liability, to be Paid, Year One 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three 2024 Lessee, Operating Lease, Liability, to be Paid, Year Four 2025 Lessee, Operating Lease, Liability, to be Paid Total minimum lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: amount of lease payments representing interest Related Party Transaction [Axis] Related Party Transaction Related Party Transaction [Domain] Related Party Transaction Title of Individual [Axis] Title of Individual Title of Individual [Domain] Title of Individual New hires. New Hires [Member] New Hires Cash restricted stock unit award. Cash Restricted Stock Unit Award [Member] Cash Restricted Stock Unit Award CRSU Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Income Statement Location Right-of-use assets acquired under operating leases Accounting Policies [Abstract] Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] The Company and Basis of Presentation Earnings Per Share [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Balance Sheet Related Disclosures [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Balance Sheets Components The entire disclosure for operating leases of lessee and lessor. Lessee information also Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. Leases Of Lessor And Lessee Disclosure [Text Block] Leases Leases [Abstract] Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Outbreak of coronavirus disease 2019. Outbreak Of Coronavirus Disease Twenty Nineteen Policy [Text Block] Outbreak of Coronavirus Disease 2019 ("the COVID-19 pandemic") Organization, Consolidation and Presentation of Financial Statements [Abstract] Consolidation, Policy [Policy Text Block] Principles of Consolidation Significant accounting policies. Significant Accounting Policies Policy [Text Block] Significant Accounting Policies New Accounting Pronouncements, Policy [Policy Text Block] Accounting Standards Recently Adopted/Not Yet Adopted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of Computation of Basic and Diluted Net Loss (Income) per Share Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts Receivable, Net Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of Prepaid Expenses and Other Current Assets Property, Plant and Equipment [Table Text Block] Schedule of Property and Equipment Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Future Amortization Expense for Intangible Assets Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities Operating lease assets and liabilities. Operating Lease Assets And Liabilities Table [Text Block] Summary of Lease Related Assets and Liabilities Lease, Cost [Table Text Block] Summary of Lease Costs Lessee, Operating Lease, Liability, Maturity [Table Text Block] Summary of Undiscounted Cash Flows Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Award Type [Axis] Award Type Award Type [Domain] Award Type Restricted stock unit award and cash restricted stock unit award. Percentage of outstanding common stock held Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Weighted-average shares outstanding Lease liabilities Liabilities Total liabilities Commitments and Contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders’ equity: Common Stock, Value, Issued Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders’ equity Liabilities and Equity Total liabilities and stockholders’ equity Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Restricted Stock Unit Award And Cash Restricted Stock Unit Award [Member] RSU and CRSU Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Schedule of Restricted Stock Unit Award ("RSU") and Cash Restricted Stock Unit Award (''CRSU'') Activity (Details) Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule of Stock-based Compensation Expense Amounts Included in Condensed Consolidated Statement of Operations Schedule of provision for income taxes and effective tax rates. Schedule Of Provision For Income Taxes And Effective Tax Rates Table [Text Block] Schedule of Provision for Income Taxes and Effective Tax Rates Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Revenue by Country Schedule of Related Party Transactions [Table Text Block] Summary of Significant Balances, Transactions and Payments with Related Parties and Affiliates Proceeds from issuance of common stock net of underwriting discounts and commissions. Proceeds From Issuance Of Common Stock Net Of Underwriting Discounts And Commissions Proceeds from public offering, net of underwriting discounts and commissions Payments for underwriting discounts and commissions. Payments For Underwriting Discounts And Commissions Payments for underwriting discounts and commissions Significant accounting policies. Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Legal Entity [Axis] Legal Entity Entity [Domain] Entity Mega Chips. Mega Chips [Member] MegaChips Ownership [Axis] Ownership Ownership [Domain] Ownership SiTime Corporation. Si Time Corporation [Member] Si Time Corporation Deferred Offering Costs Deferred offering costs Noncontrolling Interest, Ownership Percentage by Parent Common Stock, Shares, Issued Common stock, shares, issued Common Stock, Shares, Outstanding Ending Balance, Shares Beginning Balance, Shares Common stock, shares, outstanding Net income (loss) attributable to common stockholder and comprehensive income (loss). Net Income Loss Attributable To Common Stockholder And Comprehensive Income Loss Net income (loss) attributable to common stockholders and comprehensive loss Income Statement [Abstract] Revenue from Contract with Customer, Excluding Assessed Tax Revenue Cost of Revenue Cost of revenue Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Operating Expenses Total operating expenses Operating Income (Loss) Income (loss) from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (loss) before income taxes Income (loss) before income taxes Income Tax Expense (Benefit) Provision for (benefit) from income tax Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Net income (loss) attributable to common stockholders Earnings Per Share, Basic Net income (loss) per share attributable to common stockholders, basic Net income (loss) attributable to common stockholders per share, basic Earnings Per Share, Diluted Net income (loss) per share attributable to common stockholders, diluted Net income (loss) attributable to common stockholders per share, diluted Weighted Average Number of Shares Outstanding, Basic Weighted-average shares used to compute basic net income (loss) per share Weighted average shares used to compute basic net income (loss) per share Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares used to compute diluted net income (loss) per share Weighted average shares used to compute diluted net income (loss) per share Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components Equity Component [Domain] Equity Component Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Dilutive effect of employee equity incentive plans Assets, Fair Value Disclosure [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Cash Cash balances in bank Money Market Funds, at Carrying Value Highly liquid money market funds Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Accounts Receivable, before Allowance for Credit Loss, Current Accounts receivable, gross Accounts Receivable, Allowance for Credit Loss, Current Allowance for credit losses Inventory Disclosure [Abstract] Inventory, Raw Materials, Gross Raw materials Inventory, Work in Process, Gross Work in progress Inventory, Finished Goods, Gross Finished goods Prepayments to suppliers. Prepayments To Suppliers Advance to suppliers Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expense, Current Prepaid expenses Other Assets, Current Other current assets Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Schedule Of Property Plant And Equipment [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset Lab and manufacturing equipment. Lab And Manufacturing Equipment [Member] Lab and Manufacturing Equipment Computer Equipment [Member] Computer Equipment Furniture and Fixtures [Member] Furniture and Fixtures Construction in Progress [Member] Construction in Progress Leasehold Improvements [Member] Leasehold Improvements Property, Plant and Equipment [Line Items] Property Plant And Equipment [Line Items] Property, Plant and Equipment, Gross Property and equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Depreciation Depreciation expense Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule Of Finite Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name Internal use software member. Internal Use Software [Member] Internal use software Purchased intangibles member. Purchased Intangibles [Member] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Purchased intangibles Finite-Lived Intangible Assets [Line Items] Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Gross Gross Assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Amortization of Intangible Assets Amortization expense for intangible assets Intangible Assets, Gross (Excluding Goodwill) Intangibles Assets not amortized Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract] Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year 2021 (remainder) Finite-Lived Intangible Asset, Expected Amortization, Year One 2022 Restricted Stock Units (RSUs) [Member] Restricted Stock Units RSU Liability-based award. Liability Based Award [Member] Liability-based Awards Equity award. Equity Award [Member] Equity Awards Shares Issued, Price Per Share Shares issued price per share Share-based Payment Arrangement [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of Shares, Unvested Ending Balance Number of Shares, Unvested Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of Shares, Granted Equity award, granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of Shares, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of Shares, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Grant Date Fair Value per share, Unvested Ending Balance Grant Date Fair Value per share, Unvested Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Grant Date Fair Value per share, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Grant Date Fair Value per share, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Grant Date Fair Value per share, Forfeited Percentage actual payouts. Percentage Actual Payouts Percentage actual payouts Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting period Equity award and liability based awards equity settled. Equity Award And Liability Based Awards Equity Settled [Member] Equity Awards and Liability Based Awards - Equity Settled Liability based awards - cash settled. Liability Based Awards Cash Settled [Member] Liability Based Awards - Cash Settled Share-based Payment Arrangement, Expense Stock-based compensation expense Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation costs Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unrecognized compensation cost is expected weighted average period Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment, Geographic and Customer Information Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Obligations Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Effective Income Tax Rate Reconciliation, Percent Effective tax rate Unrecognized Tax Benefits Unrecognized tax benefits Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Segment Reporting Information By Segment [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Concentration Risk Benchmark Revenue Benchmark [Member] Revenue Benchmark Customer [Axis] Customer Customer [Domain] Customer Distributor one. Distributor One [Member] Distributor One Distributor two. Distributor Two [Member] Distributor Two Distributor three. Distributor Three [Member] Other Nonoperating Income (Expense), Total Weighted Average Number of Shares Outstanding, Basic, Total Employee-related Liabilities, Current, Total Intangible Assets, Gross (Excluding Goodwill), Total APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Earnings Per Share, Diluted, Total Payments to Acquire Property, Plant, and Equipment, Total Effective Income Tax Rate Reconciliation, Percent, Total Inventory, Finished Goods, Gross, Total Finite-Lived Intangible Assets, Net, Beginning Balance Finite-Lived Intangible Assets, Net, Ending Balance Cash, Beginning Balance Cash, Ending Balance Depreciation, Depletion and Amortization, Total Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Increase (Decrease) in Accounts Payable, Total Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Income Taxes Paid, Net, Total Distributor Three Concentration Risk Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Concentration Risk Type Distributor concentration risk. Distributor Concentration Risk [Member] Distributor Concentration Risk Customer Concentration Risk [Member] Finite-Lived Intangible Asset, Expected Amortization, Year Two 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Three 2024 Payables and Accruals [Abstract] Employee-related Liabilities, Current Accrued payroll and related benefits Operating Lease, Liability, Current Short term lease liability Less: current obligations under leases Other Accrued Liabilities, Current Other accrued expenses Lease incentives received. Lease Incentives Received Lease incentives received Extended term of leases. Extended Term Of Leases Extended term of leases Lease disclosure. Lease Disclosure [Line Items] Lease Disclosure [Line Items] Lease disclosure. Lease Disclosure [Table] Lease Disclosure [Table] Geographical [Axis] Geographical Geographical [Domain] Geographical Office space. Office Space [Member] Office Space Statistical Measurement [Axis] Statistical Measurement Statistical Measurement [Domain] Statistical Measurement Maximum [Member] Maximum Minimum [Member] Minimum Lease Expiration Date Lease term expiration date Lessee, Operating Lease, Term of Contract Lease term Lessee, Operating Lease, Renewal Term Operating lease, renewal term Lessee, Operating Lease, Option to Extend Lease option to extend Lessee, Operating Lease, Existence of Option to Extend [true false] Option to extend Lessee, Operating Lease, Lease Not yet Commenced, Description Leases not yet commenced Operating Lease, Liability Total operating lease liabilities Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Cost of Sales [Member] Cost of Revenue Research and Development Expense [Member] Research and Development Research and Development Selling, General and Administrative Expenses [Member] Selling, General and Administrative Customer Concentration Risk Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of Reportable Segments Number of reportable segments TAIWAN, PROVINCE OF CHINA Taiwan HONG KONG Hong Kong UNITED STATES United States Other countries. Other Countries [Member] Other Revenue from Contract with Customer Benchmark [Member] Revenue from Contract with Customer Benchmark Geographic Concentration Risk [Member] Geographic Concentration Risk Percentage of long lived assets. Percentage Of Long Lived Assets Percentage of long lived assets Number of distributors accounted for 10% or more of revenues. Number Of Distributors Accounted For Ten Percentage Or More Of Revenues Number of distributors accounted for 10% or more of revenues Number of customers accounted for 10% or more of revenues. Number Of Customers Accounted For Ten Percentage Or More Of Revenues Number of customers accounted for 10% or more of revenues Concentration Risk, Percentage Sales revenue percentage Line of Credit Facility, Remaining Borrowing Capacity Outstanding borrowings Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Akira Takata. Akira Takata [Member] Akira Takata Related Party Transaction [Line Items] Related Party Transaction [Line Items] Sales consulting services fee. Sales Consulting Services Fee Sales consulting services fee Share based compensation arrangement by share based payment award vesting date. Share Based Compensation Arrangement By Share Based Payment Award Vesting Date Equity award, vesting date Property and equipment, net related parties, noncurrent. Property And Equipment Net Related Parties Noncurrent Property and equipment, net Related Party [Axis] Related Party Related Party [Domain] Related Party Affiliated Entity [Member] Affliates License expense related party. License Expense Related Party License expense Commission expense related party. Commission Expense Related Party Commission expense Revenue from Related Parties Sales through distribution agreement Related Party Transaction, Expenses from Transactions with Related Party Consulting fees Cash paid for commission related party. Cash Paid For Commission Related Party Cash paid for commissions Cash paid for license related party. Cash Paid For License Related Party Cash paid for licenses Cash paid for consulting fees related party. Cash Paid For Consulting Fees Related Party Cash paid for consulting fees Finite-Lived Intangible Assets, Gross, Total Selling, General and Administrative Expense, Total Unrecognized Tax Benefits, Beginning Balance Unrecognized Tax Benefits, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Depreciation, Total Cost of Revenue, Total Increase (Decrease) in Prepaid Expense and Other Assets, Total Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Prepaid Expense, Current, Total Research and Development Expense, Total Incremental Common Shares Attributable to Share-based Payment Arrangements, Total Common Stock, Shares, Issued, Total Proceeds from Lines of Credit, Total Earnings Per Share, Basic, Total Interest Expense, Total Increase (Decrease) in Inventories, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accounts Payable, Current, Total Inventory, Raw Materials, Gross, Total Income Tax Expense (Benefit), Total Other Assets, Noncurrent, Total Amortization of Intangible Assets, Total Share-based Payment Arrangement, Noncash Expense, Total Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Revenue from Contract with Customer, Excluding Assessed Tax, Total Lease liabilities included in accrued expenses and other current liabilities Long-term lease liabilities