Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021	19,383
Balance at Dec. 31, 2021	$ 82,378	$ 9,184	$ (52,324)	$ (15,648)	$ 23,590
Share-based compensation (in shares)	49
Share-based compensation	$ 494	273			767
Vested restricted stock issued (in shares)	24
Vested restricted stock issued	$ 273	(273)			0
Shares cancelled to pay tax liability (in shares)	(26)
Shares cancelled to pay tax liability	$ (269)				(269)
Other comprehensive income - pension				156	156
Net loss			(618)		(618)
Balance (in shares) at Mar. 31, 2022	19,430
Balance at Mar. 31, 2022	$ 82,876	9,184	(52,942)	(15,492)	23,626
Balance (in shares) at Dec. 31, 2022	19,477
Balance at Dec. 31, 2022	$ 83,392	9,184	(50,537)	(8,267)	33,772
Share-based compensation (in shares)	67
Share-based compensation	$ 620	347			967
Vested restricted stock issued (in shares)	82
Vested restricted stock issued	$ 821	(347)			474
Shares cancelled to pay tax liability (in shares)	(50)
Shares cancelled to pay tax liability	$ (544)				(544)
Other comprehensive income - pension				82	82
Net loss			(1,364)		(1,364)
Balance (in shares) at Mar. 31, 2023	19,576
Balance at Mar. 31, 2023	$ 84,289	$ 9,184	$ (51,901)	$ (8,185)	$ 33,387