Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2022	3,287,647	611,784
Balance at Dec. 31, 2022	$ 33	$ 6	$ 59,205	$ (20,754)	$ 38,490	$ (347)	$ 38,143
Net income (loss)			0	(1,829)	(1,829)	(174)	(2,003)
Stock options - compensation costs			1	0	1	0	1
Balance (in shares) at Jun. 30, 2023	3,287,647	611,784
Balance at Jun. 30, 2023	$ 33	$ 6	59,206	(22,583)	36,662	(521)	36,141
Balance (in shares) at Mar. 31, 2023	3,287,647	611,784
Balance at Mar. 31, 2023	$ 33	$ 6	59,206	(22,431)	36,814	(469)	36,345
Net income (loss)	$ 0	$ 0	0	(152)	(152)	(52)	(204)
Balance (in shares) at Jun. 30, 2023	3,287,647	611,784
Balance at Jun. 30, 2023	$ 33	$ 6	59,206	(22,583)	36,662	(521)	36,141
Balance (in shares) at Dec. 31, 2023	3,287,647	611,784
Balance at Dec. 31, 2023	$ 33	$ 6	59,206	(22,529)	36,716	(616)	36,100
Net income (loss)	$ 0	$ 0	0	(25)	(25)	(146)	(171)
Balance (in shares) at Jun. 30, 2024	3,287,647	611,784
Balance at Jun. 30, 2024	$ 33	$ 6	59,206	(22,554)	36,691	(762)	35,929
Balance (in shares) at Mar. 31, 2024	3,287,647	611,784
Balance at Mar. 31, 2024	$ 33	$ 6	59,206	(23,508)	35,737	(691)	35,046
Net income (loss)	$ 0	$ 0	0	954	954	(71)	883
Balance (in shares) at Jun. 30, 2024	3,287,647	611,784
Balance at Jun. 30, 2024	$ 33	$ 6	$ 59,206	$ (22,554)	$ 36,691	$ (762)	$ 35,929