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Equity Plans - (Tables) | 3 Months Ended
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Mar. 31, 2022
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value [Table Text Block] | A summary of activity related to stock option is summarized as below (in thousands, except for share and per share data):
|  | Number of Options |  |  | Weighted-Average Exercise Price |  |  | Average Remaining Contractual Term (In Years) |  |  | Aggregate Intrinsic Value |
Outstanding - December 31, 2021 |  |  | 11,468,275 |  |  | $ | 0.36 |  |  |  | 8.1 |  |  | $ | 46,839 |
Granted |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,123,539) |  |  | $ | 0.27 |  |  |  |  |  |  | $ | 4,668 |
Forfeited and expired |  |  | (229,887) |  |  | $ | 0.27 |  |  |  |  |  |  |  |  |
Outstanding - March 31, 2022 |  |  | 10,114,849 |  |  | $ | 0.36 |  |  |  | 7.9 |  |  | $ | 60,885 |
Exercisable - March 31, 2022 |  |  | 5,645,220 |  |  | $ | 0.41 |  |  |  | 7.8 |  |  | $ | 33,229 |
Schedule of Activity Related to Restricted Stock Units | A summary of activity related to RSUs is summarized as below:
|  | Number of RSUs |  |  | Weighted-Average Exercise Price |
Balance at December 31, 2021 |  |  | 5,388,455 |  |  |  |  |
Granted |  |  | 3,905,871 |  |  | $ | 4.44 |
Vested |  |  | (952,127) |  |  |  |  |
Forfeited |  |  | (217,311) |  |  |  |  |
Balance at March 31, 2022 |  |  | 8,124,888 |  |  |  |  |
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs | The table below summarizes the total stock compensation expenses for the three months ended March 31, 2022 and 2021:
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
|  | (In thousands) |
Research and development |  | $ | 2,389 |  |  | $ | 340 |
Selling and marketing |  |  | 441 |  |  |  | 32 |
General and administrative |  |  | 8,651 |  |  |  | 225 |
|  | $ | 11,481 |  |  | $ | 597 |
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions | The Company did not grant any stock options during the three months ended March 31, 2022. The range of assumptions used in the Black-Scholes option-pricing model for options issued to employees during the three months ended March 31, 2021, are as follows:
|  | March 31, |
|  | 2021 |
Expected volatility |  |  | 46.8 | %
Weighted-average risk-free interest rate |  |  | 1.07 | %
Expected dividend yield |  |  | — | %
Expected term (in years) |  |  | 6.1 years |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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