STOCK INCENTIVE PLANS (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

Stock option activity under the Plans was as follows for the years ended December 31, 2024, 2023 and 2022:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (in Thousands)
Outstanding, December 31, 2021	30,361,405	$	3.45	6.24	$	168,705
Granted	391,619	6.17
Exercised	(3,595,706)	1.16			22,534
Forfeited or cancelled	(1,736,893)	4.63
Outstanding, December 31, 2022	25,420,425	$	3.74	6.32	$	1,448
Exercised	(3,585,829)	2.37			5,207
Forfeited or cancelled	(4,993,229)	5.24
Outstanding, December 31, 2023	16,841,367	3.59		4.77	1,392
Exercised	(9,806,309)	2.91			$	72,806
Forfeited or cancelled	(1,109,147)	4.76
Outstanding, December 31, 2024	5,925,911	$	4.44	5.08	$	91,268
Exercisable, December 31, 2024	5,454,004	4.16		4.92	85,529

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions

The assumptions under the Black-Scholes option-pricing model during the year ended December 31, 2022 were as follows for option awards:

	2022
Dividend yield	0	%
Expected volatility	51	%
Expected term (years)	5.88
Risk free interest rate	2.58	%

The assumptions under the Monte Carlo simulation model and the calculated fair value of the Market-Based RSUs granted to employees during the year ended December 31, 2022 were as follows. The Company did not grant Market-Based RSUs during the years ended December 31, 2024 and 2023.

	Year Ended
	December 31, 2022
Expected volatility	52	%
Expected term (years)	4
Drift rate	2.9	%

The assumptions under the Black-Scholes option-pricing model during the years ended December 31, 2024, 2023, and 2022 were as follows for ESPP awards:

	Year Ended		Year Ended		Year Ended
	December 31, 2024		December 31, 2023		December 31, 2022
Dividend yield	0	%	0	%	0	%
Expected volatility	84	%	56	%	77	%
Expected term (years)	0.50		0.49		0.52
Risk free interest rate	4.40	%	5.26	%	4.53	%

Schedule of Nonvested Restricted Stock Units Activity

The activity for unvested Restricted Stock Units under the Plans was as follows for the years ended December 31, 2024, 2023 and 2022:

	Number of Shares	Weighted Average Grant Date Fair Value
Unvested, December 31, 2022	16,716,383	4.14
Granted	11,158,301	2.38
Vested	(7,678,184)	3.32
Forfeited	(3,852,909)	3.90
Unvested, December 31, 2023	16,343,591	3.39
Granted	14,009,111	4.14
Vested	(7,322,556)	3.44
Forfeited	(1,239,891)	3.15
Unvested, December 31, 2024	21,790,255	3.87

The activity for unvested Restricted Stock Awards was as follows for the year ended December 31, 2024:

	Number of Shares	Weighted Average Grant Date Fair Value
Unvested, December 31, 2023	—	—
Granted	2,033,156	1.98
Vested	(169,430)	1.98
Forfeited	—
Unvested, December 31, 2024	1,863,726	1.98

Schedule of Operations and Comprehensive Loss

Stock-based compensation is classified in the following expense accounts on the consolidated statements of operations and comprehensive loss for the years ended December 31, 2024, 2023 and 2022 (in thousands):

	Year Ended December 31,
	2024		2023		2022
Cost of revenue	$	458	$	412	$	99
Sales and marketing	4,818		3,601		2,794
Research and development	16,203		11,992		13,986
General and administrative	11,666		8,784		11,913
Restructuring costs	—		3,142		—
Total	$	33,145	$	27,931	$	28,792