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Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Sale of Stock Sale of Stock [Axis] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Weighted average fair value per share of options granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Incurred deferred costs Deferred Costs Incurred Deferred costs incurred. Common stock reserved for future issuance (in shares) Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Share Based Compensation Arrangement By Share Based Payment Award Value Purchased For Award Share Based Compensation Arrangement By Share Based Payment Award Value Purchased For Award Share-based compensation arrangement by share-based payment award value purchased for award. Research and development Research and Development Expense [Member] Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Remaining purchase commitment Purchase Commitment, Remaining Minimum Amount Committed 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Components and Computation of Basic and Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cost of revenues Cost of Sales [Member]