Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Schedule of Reserved Shares for Future Issuance

The Company has reserved shares of common stock for future issuances as follows:

	December, 31	December, 31
	2022	2021
Warrants to purchase common stock	77,842	77,842
Common stock options issued and outstanding	2,290,596	2,175,685
Common stock available for future grants	374,099	1,934,095
Restricted stock units issued and outstanding	1,247,059	394,750
Common stock available for ESPP	62	401,164

Schedule of Stock Option Activity

A summary of stock option activity is set forth below (in thousands, except share and per share data):

	Number of Shares Underlying Outstanding Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding, December 31, 2021	2,175,685	$	9.27	8.7	$	2,856
Options granted	354,800	$	1.88
Options exercised	(57,654)	$	0.61
Options forfeited or cancelled	(182,235)	$	9.38
Outstanding, December 31, 2022	2,290,596	$	8.33	8.0	$	1
Shares exercisable December 31, 2022	1,605,804	$	9.54	7.6	$	-
Vested and expected to vest, December 31, 2022	2,290,596	$	8.33	8.0	$	1

Schedule of Restricted Stock Units

A summary of RSU activity is set forth below:

	Number of Shares Underlying Outstanding Restricted Stock	Weighted Average Grant Date Fair Value
Unvested, December 31, 2021	394,750	$	5.17
Granted	1,485,629	$	2.57
Released	(535,122)	$	4.36
Forfeited or cancelled	(98,198)	$	3.05
Unvested, December 31, 2022	1,247,059	$	2.58

Summary of Stock-Based Compensation Expense

Total stock-based compensation expense recognized was as follows (in thousands):

	Years Ended December 31,
	2022		2021
Cost of goods sold	$	314	$	274
Sales and marketing		2,575		2,137
Research and development		44		136
General and administrative		4,045		4,270
Total	$	6,978	$	6,817

The above stock-based compensation expense related to the following equity-based awards (in thousands):

	Years Ended December 31,
	2022		2021
Stock options	$	3,909	$	6,722
RSU		2,727		95
ESPP		342		—
Total	$	6,978	$	6,817

Schedule of Fair Value of Stock Options Estimated Using Weighted-Average Assumptions

The fair value of stock options was estimated using the following weighted-average assumptions:

	Years Ended December 31,
	2022		2021
Expected dividends		0%		0%
Expected volatility		70.8%-72.4%		72.8% - 78.0%
Risk-free interest rate		1.9%-4.2%		0.6% - 1.3%
Expected term		6 years		5 - 6 years