Stock Incentive Plans (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2022

Dec. 31, 2021

Stock Incentive Plan Table [Abstract]

Schedule of stock options outstanding and exercisable

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Average Intrinsic Value (in Thousands)
Outstanding, December 31, 2021	30,361,405		$	3.45	6.78	$	168,923
Granted	391,619			6.17
Exercised	(3,139,565	)		1.16			21,751
Forfeited or cancelled	(663,656	)		4.51
Outstanding, September 30, 2022	26,949,803		$	3.73	6.53		14,790
Exercisable, September 30, 2022	18,698,462		$	2.83	5.66		14,511

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Average Intrinsic Value (in Thousands)
Outstanding, December 31, 2020	28,772,180		$	2.38	6.75	$	36,987
Granted	5,203,804			6.84
Exercised	(2,178,412	)		0.87			5,947
Forfeited or cancelled	(1,801,023	)		3.11
Outstanding, September 30, 2021	29,996,549		$	3.22	6.85		172,816
Exercisable, September 30, 2021	17,350,839		$	2.06	5.22		119,390

	Shares Available for Grant		Outstanding Stock Options		Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)	Average Intrinsic Value
Outstanding, January 1, 2020	378,010		4,276,480		$	10.35	6.44	$	33,785
Authorized	650,000		—			—	—		—
Options granted	(1,446,350	)	1,446,350			19.98	—		—
Options exercised	—		(68,679	)		2.82	—		1,138
Awards forfeited or cancelled	475,875		(475,875	)		13.76	—		—
Outstanding, December 31, 2020	57,535		5,178,276			13.23	6.75		36,987
Authorized	1,200,000		—			—	—		—
Options granted	(1,134,542	)	1,134,542			40.10	—		—
Options exercised	—		(461,290	)		5.34	—		9,667
Awards forfeited or cancelled	376,245		(376,245	)		17.35	—		—
Outstanding, December 31, 2021	499,238		5,475,283		$	19.19	6.78	$	168,923
Options exercisable as of December 31, 2021			3,322,160			12.23	5.32		125,517

Schedule of stock options outstanding and exercisable

	Options Outstanding		Options Exercisable
Range of Exercise Prices Per Share	Shares Outstanding	Weighted Average Remaining Contractual Life (Years)	Shares Outstanding	Weighted Average Remaining Contractual Life (Years)
$2.43 – $12.06	1,223,100	2.63	1,223,100	2.63
$12.07 – $15.34	1,223,673	5.91	1,154,889	5.87
$15.35 – $19.31	876,147	7.67	531,085	7.65
$19.32 – $24.17	1,156,561	8.84	404,605	8.78
$24.18 – $50.07	995,802	9.77	8,481	9.74
	5,475,283	6.78	3,322,160	5.32

Schedule of weighted average calculated fair value of the options granted to employees

	September 30, 2022		September 30, 2021
Expected dividend yield	0	%	0	%
Expected volatility	51	%	42	%
Expected term (years)	5.88		6.01
Risk free interest rate	2.58	%	1.11	%

	December 31, 2021			December 31, 2020
Fair value of common stock	$	40.83		$	20.37
Dividend yield		0	%		0	%
Expected volatility		42	%		44	%
Expected term (years)		6.01			5.92
Risk free interest rate		1.14	%		0.64	%

Schedule of operations and comprehensive loss

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Cost of revenues	$	57	$	—	$	68	$	—
Sales and marketing		1,077		92		1,873		294
Research and development		4,668		943		9,011		2,939
General and administrative		3,371		280		8,548		816
Total	$	9,173	$	1,315	$	19,500	$	4,049

	December 31, 2021		December 31, 2020
Research and development	$	4,434	$	3,605
Sales and marketing		509		414
General and administrative		1,379		1,878
Total	$	6,322	$	5,897

Schedule of restricted stock unit activity

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding, December 31, 2021	—		$	—
Granted	15,802,990			5.02
Vested	(631,925	)		3.79
Forfeited	(68,772	)		9.77
Outstanding, September 30, 2022	15,102,293		$	5.02

Schedule of assumptions under the Monte Carlo simulation model and the calculated fair value of the Market-Based RSUs granted to employees

	September 30, 2022
Expected volatility	52	%
Expected term (years)	4
Drift rate	2.9	%