Stockholders' Equity (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2022

Dec. 31, 2021

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock-Based Compensation Expense Recognized

The table below shows stock-based compensation expense recognized for both the 2008 and 2016 Plans for the three and nine months ended September 30, 2022 and 2021:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Cost of revenue	$	125	$	86	$	357	$	250
Research and development		6		7		20		11
Selling, general and administrative		646		230		1,746		441

Total stock-based compensation expense	$	777	$	323	$	2,123	$	702

The table below shows stock-based compensation expense recognized from both the 2008 Plan and 2016 Plan in the statements of operations for the years ended December 31:


	2021		2020
Cost of revenues	$	693	$	27
Research and development		233		7
Sales, general and administrative		1,547		48

	$	2,473	$	82

Summary of Weighted-Average Assumptions for Options Granted

The weighted-average assumptions for options granted to calculate the grant date fair value of grants issued under the 2008 Plan were as follows for the years ended December 31:


	2021			2020
Dividend yield		—			—
Expected volatility		52.18	%		50.27	%
Expected term (in years)		5.01			5.75
Risk-free rate		1.19	%		0.14	%

The weighted-average assumptions for options granted to calculate the grant date fair value of grants issued under the 2016 Plan were as follows for the year ended December 31, 2021:


	2021
Dividend yield		—
Expected volatility		51.75	%
Expected term (in years)		5.92
Risk-free rate		1.07	%

2008 Stock Plan [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Option Activity

A summary of option activity under the 2008 Plan for the years ended December 31, 2021 and 2020 and is as follows:


	Shares Available for Grant			Outstanding Stock Options			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)		Average Intrinsic Value
Balance as of January 1, 2020		1,927,978			8,558,849		$	0.48		3.82	$	11,137
Options granted		(1,393,713	)		1,393,713			1.73		—		—
Options exercised		—			(3,000	)		0.03		—		1
Options expired		1,475,713			(1,475,713	)		0.10		—		—

Balance as of December 31, 2020		2,009,978			8,473,849			0.75		4.52		14,068

Options granted		(3,609,610	)		3,609,610			2.43		—		—
Options exercised		—			(51,291	)		0.28		—		28
Options expired		1,975,178			(1,975,178	)		0.28		—		—

Balance as of December 31, 2021		375,546			10,056,990		$	1.49		6.53	$	10,995

Options vested and exercisable as of December 31, 2021					9,327,678		$	1.46		6.35	$	10,401

Options vested and expected to vest as of December 31, 2021					10,056,990		$	1.49		6.53	$	10,995

2016 Equity Incentive Plan [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Option Activity

A summary of option activity under the 2016 Plan for the years ended December 31, 2021 and 2020 is as follows:


	Shares Available for Grant			Outstanding Stock Options			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)		Average Intrinsic Value
Balance as of January 1, 2020		1,124,473			6,000,484		$	0.10		4.90	$	2,104
Options granted		—			—			—		—		—
Options exercised		—			(72,795	)		0.05		—		29
Options expired		196,544			(196,544	)		0.35		—		—

Balance as of December 31, 2020		1,321,017			5,731,145			0.09		3.79		9,654

Shares Authorized		9,099,380			—			—		—		—
Options granted		(4,707,235	)		4,707,235			1.77		—		—
Options exercised		—			(29,118	)		0.05		—		54
Options expired		36,397			(36,397	)		0.21		—		—

Balance as of December 31, 2021		5,749,559			10,372,865		$	0.85		5.86	$	16,208

Options vested and exercisable as of December 31, 2021					6,348,921		$	0.28		3.56	$	13,542

Options vested and expected to vest as of December 31, 2021					10,372,865		$	0.85		5.86	$	16,208