Earnings Per Share - Basic and Diluted Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income (loss)		$ (1,094)	$ 595	$ (7,822)
Weighted average common shares outstanding, basic and diluted	[1]	9,691,998	9,625,059	8,880,107
Earnings (loss) per share, basic and diluted		$ (0.11)	$ 0.06	$ (0.88)

[1] The non-vested shares of the restricted stock units and stock options were anti-dilutive as of December 31, 2021, 2020, and 2019.  Therefore, the non-vested shares are excluded from earnings (loss) per share for the years ended December 31, 2021, 2020, and 2019.