Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2020	34,405
Balance at Dec. 31, 2020	$ 684	$ 29,738	$ (3,720)	$ 0	$ 26,720
Net income (loss)	$ 0	0	2,760	0	2,760
Effect of reverse stock split (in shares)	(31,530)
Effect of reverse stock split	$ (630)	630	0	0	0
Redemption of fractional shares (in shares)	(2)
Redemption of fractional shares	$ 0	(2)	0	0	(2)
Stock-based compensation	$ 0	84	0	0	84
Balance (in shares) at Dec. 31, 2021	2,873
Balance at Dec. 31, 2021	$ 54	30,450	(942)	0	29,562
Net income (loss)	0	0	3,740	(81)	3,659
Stock-based compensation	0	41	0	0	41
Issuance of noncontrolling interest	$ 0	0	0	185	185
Repurchase of common shares (in shares)	(3)
Repurchase of common shares	$ 0	0	(21)		(21)
Balance (in shares) at Dec. 31, 2022	2,870
Balance at Dec. 31, 2022	$ 54	$ 30,491	$ 2,777	$ 104	$ 33,426