Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Number of Shares	Additional paid-in capital	Retained earnings	Treasury stock, at cost
Beginning balance (in shares) at Dec. 31, 2021		10,304,242
Beginning balance at Dec. 31, 2021	$ 87,838	$ 1	$ 85,004	$ 2,833
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	599		599
Shares issued related to vested restricted stock units (in shares)		105,928
Shares issued related to vested restricted stock units	0
Tax withholding related to vested restricted stock units	(148)		(148)
Shares issued related to employee stock purchase plan (in shares)		12,898
Shares issued related to employee stock purchase plan	98		98
Net (loss) income	(1,516)			(1,516)
Ending balance (in shares) at Mar. 31, 2022		10,423,068
Ending balance at Mar. 31, 2022	$ 86,871	$ 1	85,553	1,317
Beginning balance (in shares) at Dec. 31, 2022		10,471,410
Treasury stock (in shares) at Dec. 31, 2022	(179,652)				(179,652)
Beginning balance at Dec. 31, 2022	$ 95,442	$ 1	87,809	9,632	$ (2,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,133		1,133
Shares issued related to vested restricted stock units (in shares)		250,548
Shares issued related to vested restricted stock units	0
Tax withholding related to vested restricted stock units	(428)		(428)
Shares issued related to employee stock purchase plan (in shares)		10,997
Shares issued related to employee stock purchase plan	97		97
Net (loss) income	$ 2,993			2,993
Ending balance (in shares) at Mar. 31, 2023		10,732,955
Treasury stock (in shares) at Mar. 31, 2023	(179,652)				(179,652)
Ending balance at Mar. 31, 2023	$ 99,237	$ 1	$ 88,611	$ 12,625	$ (2,000)