Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (2,599)	$ (18,150)
Shares used in computing net loss per share:
Weighted average basic shares outstanding - basic (in shares)	22,927	22,892
Effect of dilutive securities (in shares)	0	0
Weighted average common shares outstanding - diluted (in shares)	22,927	22,892
Loss per common share:
Loss per share of common stock – basic (in dollars per share)	$ (0.11)	$ (0.79)
Loss per share of common stock – diluted (in dollars per share)	$ (0.11)	$ (0.79)
Antidilutive shares (in shares)	200	200