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STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

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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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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-Topic 718
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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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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.

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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.

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