Earning Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator for basic and diluted (loss) earnings per common share:
Net (loss) income from continuing operations	$ (2,105)	$ 2,240	$ (1,715)	$ 3,824
Income from discontinued operations	0	72	0	72
Net (loss) income	$ (2,105)	$ 2,312	$ (1,715)	$ 3,896
Denominator:
Weighted average shares outstanding (in shares)	10,731	10,642	10,710	10,615
Denominator for basic income (loss) per common share (in shares)	10,731	10,642	10,710	10,615
Effect of dilutive securities:
Stock compensation plans (in shares)	0	122	0	129
Dilutive potential common shares (in shares)	0	122	0	129
Denominator for diluted income (loss) per common share - adjusted weighted average shares outstanding (in shares)	10,731	10,764	10,710	10,744
Continuing operations (usd per share)	$ (0.20)	$ 0.21	$ (0.16)	$ 0.36
Discontinued operations (usd per share)	0	0.01	0	0.01
Basic earnings per common share (usd per share)	(0.20)	0.22	(0.16)	0.37
Continuing operations (usd per share)	(0.20)	0.21	(0.16)	0.36
Discontinued operations (usd per share)	0	0.01	0	0.01
Diluted earnings per common share (usd per share)	$ (0.20)	$ 0.22	$ (0.16)	$ 0.37
Anti-dilutive shares (in shares)	109		108