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, 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	390	390	(314)	76
Stock options - compensation costs			3	0	3	0	3
Investment in subsidiary from accredited investor	$ 0	$ 0	0	0	0	142	142
Balance (in shares) at Sep. 30, 2022	3,287,647	611,784
Balance at Sep. 30, 2022	$ 33	$ 6	59,204	(19,781)	39,462	(264)	39,198
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
Net income (loss)			0	1,168	1,168	(96)	1,072
Stock options - compensation costs			1	0	1	0	1
Balance (in shares) at Sep. 30, 2022	3,287,647	611,784
Balance at Sep. 30, 2022	$ 33	$ 6	59,204	(19,781)	39,462	(264)	39,198
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	(944)	(944)	(231)	(1,175)
Stock options - compensation costs	$ 0	$ 0	1	0	1	0	1
Balance (in shares) at Sep. 30, 2023	3,287,647	611,784
Balance at Sep. 30, 2023	$ 33	$ 6	59,206	(21,698)	37,547	(578)	36,969
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
Net income (loss)	$ 0	$ 0	0	885	885	(57)	828
Balance (in shares) at Sep. 30, 2023	3,287,647	611,784
Balance at Sep. 30, 2023	$ 33	$ 6	$ 59,206	$ (21,698)	$ 37,547	$ (578)	$ 36,969