Net Loss Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Net Income (Loss) Attributable to Parent [Abstract]
Net loss	$ (4,682)	$ (3,862)	$ (5,020)	$ (7,495)	$ (8,544)	$ (12,515)
Basic weighted-average common shares outstanding (in shares)	48,686		47,572		48,413	47,480
Effect of dilutive stock options and restricted stock units (in shares)	0		0		0	0
Diluted weighted-average common shares outstanding (in shares)	48,686		47,572		48,413	47,480
Basic loss per common share (in USD per share)	$ (0.10)		$ (0.11)		$ (0.18)	$ (0.26)
Diluted loss per common share (in USD per share)	$ (0.10)		$ (0.11)		$ (0.18)	$ (0.26)
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)	6,466		6,876		6,466	6,876
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)	1,164		939		1,164	939