Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss	$ (48,472)	$ (22,982)
Shares used in computing net loss per share
Weighted-average common shares outstanding - basic (in shares)	22,908	22,872
Effect of dilutive securities (in shares)	0	0
Weighted-average common shares outstanding - diluted (in shares)	22,908	22,872
Loss per common share
(Loss) earnings per share — basic (in dollars per share)	$ (2.12)	$ (1.00)
(Loss) earnings per share — diluted (in dollars per share)	$ (2.12)	$ (1.00)
Antidilutive shares (in shares)	200	200