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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Schedule of Total Stock-Based Compensation Expense | Total stock-based compensation expense for employees recognized in the consolidated statements of operations and comprehensive income (loss) was as follows:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (in thousands) |
Equity based awards |  |  |  |  |  |  |  |  |
Cost of revenue |  | $ | 1,654 |  |  | $ | 613 |  |  | $ | 36 |
Research and development |  |  | 11,087 |  |  |  | 4,682 |  |  |  | 346 |
Selling, general and administrative |  |  | 14,422 |  |  |  | 9,521 |  |  |  | 997 |
|  | $ | 27,163 |  |  | $ | 14,816 |  |  | $ | 1,379 |
Liability based awards - to be settled in equity |  |  |  |  |  |  |  |  |
Cost of revenue |  | $ | 114 |  |  | $ | — |  |  | $ | — |
Research and development |  |  | 492 |  |  |  | 445 |  |  |  | - |
Selling, general and administrative |  |  | 2,223 |  |  |  | 748 |  |  |  | - |
|  |  | 2,829 |  |  |  | 1,193 |  |  |  | - |
Total stock-based compensation - equity and liability based |  | $ | 29,992 |  |  | $ | 16,009 |  |  | $ | 1,379 |
Liability based awards - cash settled |  |  |  |  |  |  |  |  |
Cost of revenue |  | $ | 102 |  |  | $ | 264 |  |  | $ | — |
Research and development |  |  | 143 |  |  |  | 415 |  |  |  | - |
Selling, general and administrative |  |  | 108 |  |  |  | 278 |  |  |  | - |
|  | $ | 353 |  |  | $ | 957 |  |  | $ | — |
Total stock-based compensation expense |  | $ | 30,345 |  |  | $ | 16,966 |  |  | $ | 1,379 |
Stock-based compensation expense recorded to additional paid-in capital |  |  |  |  |  |  |  |  |
Equity based awards |  | $ | 27,163 |  |  | $ | 14,816 |  |  | $ | 1,379 |
Liability based awards - settled in equity |  |  | 2,531 |  |  |  | - |  |  |  | - |
Total stock-based compensation expense recorded to additional paid-in capital |  | $ | 29,694 |  |  | $ | 14,816 |  |  | $ | 1,379 |
RSU, CRSU and PRSU |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Schedule of Activity of RSUs, Cash Restricted Stock Unit Award (CRSU) and Performance Based Restricted Stock Unit Awards (PRSU) Granted | Activity of RSUs, cash restricted stock unit award (“CRSU”) and performance based restricted stock unit awards ("PRSU") granted under the 2019 Plan is set forth below:
|  | RSU |  |  | Grant Date |  |  | CRSU |  | Grant Date |  |  | PRSU |  | Grant Date |
|  | Number of |  |  | Fair Value |  |  | Number of |  | Fair Value |  |  | Number of |  | Fair Value |
|  | Shares |  |  | per share |  |  | Shares |  | per share |  |  | Shares |  | per share |
Balance at December 31, 2018 |  |  | — |  |  |  | — |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Granted |  |  | 3,012,399 |  |  |  | 13.00 |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Vested |  |  | (23,077 | ) |  |  | 13.00 |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Forfeited |  |  | - |  |  |  | — |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Balance at December 31, 2019 |  |  | 2,989,322 |  |  |  | 13.00 |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Granted |  |  | 682,517 |  |  |  | 53.42 |  |  |  | 11,844 |  |  | 48.62 |  |  |  | — |  |  | - |
Vested |  |  | (766,934 | ) |  |  | 15.46 |  |  |  | (11,220 | ) |  | 49.37 |  |  |  | — |  |  | - |
Forfeited |  |  | (169,199 | ) |  |  | 13.72 |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Balance at December 31, 2020 |  |  | 2,735,706 |  |  |  | 22.35 |  |  |  | 624 |  |  | 35.05 |  |  |  | — |  |  | - |
Granted |  |  | 438,474 |  |  |  | 128.55 |  |  |  | 3,025 |  |  | 111.93 |  |  |  | 58,954 |  |  | 261.39 |
Vested |  |  | (874,462 | ) |  |  | 27.94 |  |  |  | (3,649 | ) |  | 98.78 |  |  |  | — |  |  | - |
Forfeited |  |  | (72,521 | ) |  |  | 33.34 |  |  |  | — |  |  | — |  |  |  | — |  |  | — |
Balance at December 31, 2021 |  |  | 2,227,197 |  |  |  | 40.56 |  |  |  | — |  |  | - |  |  |  | 58,954 |  |  | 261.39 |

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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 number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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