Net Loss Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net Income (Loss) Attributable to Parent [Abstract]
Net loss	$ (7,495)	$ (7,091)
Basic weighted-average common shares outstanding (in shares)	47,387	46,985
Effect of dilutive stock options and restricted stock units (in shares)	0	0
Diluted weighted-average common shares outstanding (in shares)	47,387	46,985
Basic loss per common share (in USD per share)	$ (0.16)	$ (0.15)
Diluted loss per common share (in USD per share)	$ (0.16)	$ (0.15)
Stock options
Anti-dilutive shares excluded from diluted net loss per common share:
Anti-dilutive shares excluded from the calculation of diluted earnings per share (in shares)	6,918	6,479
Restricted stock units
Anti-dilutive shares excluded from diluted net loss per common share:
Anti-dilutive shares excluded from the calculation of diluted earnings per share (in shares)	954	625