Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Beginning balance, value at Dec. 31, 2022	$ 10	$ 148,413		$ (142,831)	$ 5,592	$ 3,289	$ 8,881
Beginning balance, shares at Dec. 31, 2022	10,297,429
Net loss				(306)	(306)		(306)
Stock-based compensation		346			346	(27)	319
Change in non-controlling interest		3,262			3,262	(3,262)
Ending balance, value at Mar. 31, 2023	$ 10	152,021		(143,137)	8,894		8,894
Ending balance, shares at Mar. 31, 2023	10,297,429
Beginning balance, value at Dec. 31, 2023	$ 10	152,754		(144,406)	8,358		8,358
Beginning balance, shares at Dec. 31, 2023	10,501,508
Net loss				(169)	(169)		(169)
Stock option exercises
Stock option exercises, shares	464
Stock-based compensation		(9)			(9)		(9)
Ending balance, value at Mar. 31, 2024	$ 10	$ 152,745		$ (144,575)	$ 8,180		$ 8,180
Ending balance, shares at Mar. 31, 2024	10,501,972