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, 2020	19,312
Balance at Dec. 31, 2020	$ 81,485	$ 9,184	$ (48,904)	$ (21,698)	$ 20,067
Share-based compensation (in shares)	60
Share-based compensation	$ 748	163			911
Vested restricted stock issued (in shares)	14
Vested restricted stock issued	$ 163	(163)
Shares canceled to pay tax liability (in shares)	(34)
Shares canceled to pay tax liability	$ (424)				(424)
Other comprehensive income - pension				221	221
Net loss			(934)		(934)
Balance (in shares) at Mar. 31, 2021	19,352
Balance at Mar. 31, 2021	$ 81,972	9,184	(49,838)	(21,477)	19,841
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)
Shares canceled to pay tax liability (in shares)	(26)
Shares canceled 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