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, 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	821		0	1,441
Vested restricted stock issued (in shares)	82
Vested restricted stock issued	$ 821	(821)	0	0	0
Shares cancelled to pay tax liability (in shares)	(50)
Shares cancelled to pay tax liability	$ (544)	0	0	0	(544)
Other comprehensive income - pension, net	0	0	0	82	82
Net loss	$ 0	0	(1,364)	0	(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
Balance (in shares) at Dec. 31, 2023	19,615
Balance at Dec. 31, 2023	$ 84,680	10,538	(53,617)	(6,897)	34,704
Share-based compensation (in shares)	18
Share-based compensation	$ 411	814		0	1,225
Vested restricted stock issued (in shares)	11
Vested restricted stock issued	$ 178	(178)	0	0	0
Shares cancelled to pay tax liability (in shares)	(3)
Shares cancelled to pay tax liability	$ (68)	0	0	0	(68)
Other comprehensive income - pension, net				68	68
Net loss	$ 0	0	(1,375)	0	(1,375)
Balance (in shares) at Mar. 31, 2024	19,641
Balance at Mar. 31, 2024	$ 85,201	$ 11,174	$ (54,992)	$ (6,829)	$ 34,554