Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2022	25,446,407
Balance at Dec. 31, 2022	$ 254	$ 302,899	$ (266,836)	$ (1,415)	$ 34,902
Stock-based compensation	0	586	0	0	586
Net loss	$ 0	0	(3,778)	0	(3,778)
Balance (in shares) at Mar. 31, 2023	25,446,407
Balance at Mar. 31, 2023	$ 254	303,485	(270,614)	(1,415)	31,710
Balance (in shares) at Dec. 31, 2023	26,540,030
Balance at Dec. 31, 2023	$ 265	306,250	(271,683)	(1,415)	33,417
Stock-based compensation	0	265	0	0	265
Net loss	$ 0	0	(1,222)	0	(1,222)
Balance (in shares) at Mar. 31, 2024	26,540,030
Balance at Mar. 31, 2024	$ 265	$ 306,515	$ (272,905)	$ (1,415)	$ 32,460