Net Loss Per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic net loss per share of common stock is computed using the weighted average number of shares of common stock outstanding during the period. Diluted net loss per share is computed using the weighted average number of shares of common

stock, adjusted to include conversion of certain stock options and warrants for common stock and release of common stock in connection with restricted stock units during the period, net of tax as follows:

	Years ended December 31,
	2021		2020
Numerator:
Net loss	$	(9,764)	$	(15,825)
Adjustment for gain on fair value of warrant liability	(1,029)		—
Adjusted net loss used for dilution calculation	$	(10,793)	$	(15,825)
Denominator
Weighted-average number of shares outstanding	12,193		7,164
Effect of potential dilutive shares	76		—
Dilutive weighted-average number of shares outstanding	12,269		7,164
Net loss per share
Basic	$	(0.80)	$	(2.21)
Diluted	$	(0.88)	$	(2.21)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table sets forth potential shares of common stock that are not included in the calculation of diluted net loss per share because to do so would be anti-dilutive as of the end of each period presented:

	Years ended December 31,
	2021	2020
Options to purchase common stock	491	529
Restricted stock units	655	143
Warrants for common stock	920	1,325
Total common stock equivalents	2,066	1,997