Equity Incentive Plans (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2022

Dec. 31, 2021

Share-Based Payment Arrangement [Abstract]

Summary of the option award activity

The

following table summarizes the stock option award activity for the nine months ended September 30,

2022:


	Outstanding			Exercisable
January 1, 2022		607,220			280,090
Granted		716,630			47,477
Canceled or expired		(18,750	)		(18,750	)
Exercised		(56,250	)		(56,250	)

September 30, 2022		1,248,850			252,567

The following table summarizes the option activity for the years ended December 31, 2021 and 2020:


							Options Outstanding
	Shares Available For Grant			Number of Options			Weighted Average Exercise Price		Weighted- Average Grant Date Fair Value		Weighted- Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in 000s)
Balances, January 1, 2020		397,519			583,750		$	0.15	$	0.07		8.26	$	496
Options granted		(246,448	)		246,448		$	1.01	$	0.44
Options forfeited / cancelled		4,558			(4,558	)	$	1.00	$	0.45
Options expired		1,692			(1,692	)	$	1.00	$	0.45
Options exercised		—			(24,479	)	$	0.12	$	0.06

Balances, December 31, 2020		157,321			799,469		$	0.41	$	0.18		7.88	$	505
Shares reserved for issuance		937,500			—
Reserved shares cancelled		(182,842	)		—
Options granted		(280,250	)		280,250		$	4.06	$	1.95
Options forfeited / cancelled		25,784			(25,784	)	$	0.40	$	0.18
Options expired		49,737			(49,737	)	$	0.71	$	0.31
Options exercised		—			(396,979	)	$	0.15	$	0.07

Balances, December 31, 2021		707,250			607,219		$	2.23	$	1.06		8.56	$	1,163

At December 31, 2021
Vested and exercisable					280,090		$	0.66		0.28		7.40	$	902

Summary of unvested restricted common stock awards issued to employees

The following table summarizes the activity of the Company’s outstanding unvested restricted common stock awards issued to employees during the nine months ended September 30,

2022:


	Number of Shares
January 1, 2022		100,781
Vested		(7,031	)
Cancelled		(93,750	)

September 30, 2022		—

The following table sets forth the status of the Company’s

non-vested

restricted common stock awards issued to employees:


	Number of Shares			Weighted- Average Grant-Date Fair Value Per Share
Non-vested as of January 1, 2020		119,792		$	—
Vested		(119,792	)	$	—

Non-vested as of December 31, 2020		—		$	—
Issuance of restricted common stock		112,500		$	0.36
Vested		(11,719	)	$	0.36

Non-vested as of December 31, 2021		100,781		$	0.36

Summary of fair value of share-based payment awards estimated on the date of grant using assumptions

The fair value of share-based payment awards was estimated on the date of grant using the following assumptions:


	2021			2020
Expected life (in years)		5.50 – 6.08			5.00 - 6.05
Expected volatility		49.60% - 51.57	%		46.39% - 52.10	%
Risk-free interest rate		1.07% - 1.33	%		0.22% - 1.42	%
Dividend yield		0	%		0	%

Summary of total stock-based compensation expense recorded related to share-based payment awards

Total stock-based compensation recorded in the condensed statements of operations is allocated as follows (in

thousands):


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021

Research and development	$	32	$	4	$	82	$	11
Sales and marketing		1		6		2		7
General and administrative		80		13		202		23

Total stock-based compensation	$	113	$	23	$	286	$	41

Total stock-based compensation expense recorded related to share-based payment awards was allocated to research and development and general and administrative expense as follows:


	2021		2020
Cost of sales	$	—	$	2
Research and development		6		30
Sales and marketing		1		2
General and administrative		50		44

Total stock-based compensation	$	57	$	78