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STOCKHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Schedule Of Shares Of Common Stock Reserved For Future Issuance | The Company has the following common stock reserved for future issuance:
|  | December 31, 2022
Outstanding options |  | 25,988,465 |
Outstanding RSUs |  | 7,469,000 |
Shares reserved under 2021 Plan |  | 5,492,262 |
Total |  | 38,949,727 |
Share-Based Payment Arrangement, Activity | A summary of the Company's stock option activity with respect to options granted under the Plans is as follows:
|  | Number of Options |  | Weighted Average exercise price |  | Weighted remaining contractual term (years) |  | Aggregate Intrinsic Value
Outstanding as of January 1, 2022 |  | 32,702,963 |  | $ | 3.98 |  |  | 8.34 |  | $ | 38,894 |
Granted |  | — |  |  | $ | — |  |  |  |  |
Exercised |  | (4,393,437) |  |  | $ | 0.66 |  |  |  |  | $ | 5,272 |
Forfeited |  | (2,321,061) |  |  | $ | 3.71 |  |  |  |  |
Outstanding as of December 31, 2022 |  | 25,988,465 |  | $ | 4.56 |  |  | 7.75 |  | $ | 6,285 |
Exercisable options at end of the year |  | 16,618,550 |  | $ | 2.29 |  |  | 7.57 |  | $ | 6,230 |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions | The fair value of each service-based award is estimated on the date of grant using the Black-Scholes model that uses the assumptions noted in the following table:
|  | 2021 |  | 2020
Expected volatility |  | 62% |  | 50%
Risk-free interest rate |  | 1.31% - 1.34% |  | 0.4% - 0.8%
Dividend yield |  | —% |  | —%
Expected life |  | 5.81 |  | 5.83
These assumptions and estimates were determined as follows:
Share-Based Payment Arrangement, Restricted Stock Unit, Activity | The following table summarizes the RSU activity for the year ended December 31, 2022:
|  | RSUs Outstanding |  | Weighted Average Grant Date Fair Value per Share
Outstanding as of December 31, 2021 |  | 4,924,417 |  | $4.38
RSUs granted |  | 7,052,593 |  | $1.92
RSUs vested |  | (2,632,633) |  | $3.20
RSUs forfeited |  | (1,875,377) |  | $3.43
Unvested and Outstanding as of December 31, 2022 |  | 7,469,000 |  | $2.72
Share-Based Payment Arrangement, Cost by Plan | The stock-based compensation expense by line item in the accompanying consolidated statement of operations is summarized as follows:
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Cost of revenue |  | $ | 1,376 |  |  | $ | 877 |  |  | $ | 335 |
Research and development |  | 4,268 |  |  | 2,798 |  |  | 1,251 |
Sales and marketing |  | 3,711 |  |  | 2,173 |  |  | 1,639 |
General and administrative |  | 14,290 |  |  | 11,217 |  |  | 1,889 |
Total expenses |  | $ | 23,645 |  |  | $ | 17,065 |  |  | $ | 5,114 |

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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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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