Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Common Stock [Member]	Additional Paid-in Capital [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, 2021	3,287,647	611,784
Balance at Dec. 31, 2021	$ 33	$ 6			$ 59,201	$ (20,171)	$ 39,069	$ (92)	$ 38,977
Net income (loss)	0	0			0	(778)	(778)	(218)	(996)
Stock options - compensation costs	0	0			2	0	2	0	2
Investment in subsidiary from accredited investor	$ 0	$ 0			0	0	0	142	142
Balance (in shares) at Jun. 30, 2022	3,287,647	611,784
Balance at Jun. 30, 2022	$ 33	$ 6			59,203	(20,949)	38,293	(168)	38,125
Balance (in shares) at Mar. 31, 2022	3,287,647	611,784
Balance at Mar. 31, 2022	$ 33	$ 6			59,202	(21,433)	37,808	(88)	37,720
Net income (loss)					0	484	484	(80)	404
Stock options - compensation costs					1	0	1	0	1
Balance (in shares) at Jun. 30, 2022	3,287,647	611,784
Balance at Jun. 30, 2022	$ 33	$ 6			59,203	(20,949)	38,293	(168)	38,125
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		0	0		(1,829)	(1,829)	(174)	(2,003)
Stock options - compensation costs	$ 0		0	1		0	1	0	1
Balance (in shares) at Jun. 30, 2023	3,287,647	611,784
Balance at Jun. 30, 2023	$ 33	$ 6	6	59,206	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	$ 6	$ 59,206	$ 59,206	$ (22,583)	$ 36,662	$ (521)	$ 36,141