Earnings Per Share - Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator
Net loss - basic and diluted	$ (7,752)	$ (5,998)	$ (5,231)	$ (11,360)
Denominator
Weighted average common shares outstanding - basic (in shares)	92,657	91,145	92,389	90,924
Dilutive effect of stock options and restricted stock awards (in shares)	0	0	0	0
Weighted average common shares outstanding - diluted (in shares)	92,657	91,145	92,389	90,924
Net loss per common share
Basic (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.06)	$ (0.12)
Diluted (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.06)	$ (0.12)