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, 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	1,815	1,815	(256)	1,559
Balance (in shares) at Sep. 30, 2024	3,287,647	611,784
Balance at Sep. 30, 2024	$ 33	$ 6	59,206	(20,714)	38,531	(872)	37,659
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
Net income (loss)	$ 0	$ 0	0	1,840	1,840	(110)	1,730
Balance (in shares) at Sep. 30, 2024	3,287,647	611,784
Balance at Sep. 30, 2024	$ 33	$ 6	59,206	(20,714)	38,531	(872)	37,659
Balance (in shares) at Dec. 31, 2024	3,287,647	611,784
Balance at Dec. 31, 2024	$ 33	$ 6	59,206	(21,211)	38,034	(982)	37,052
Net income (loss)	$ 0	$ 0	0	677	677	(363)	314
Balance (in shares) at Sep. 30, 2025	3,287,647	611,784
Balance at Sep. 30, 2025	$ 33	$ 6	59,206	(20,534)	38,711	(1,345)	37,366
Balance (in shares) at Jun. 30, 2025	3,287,647	611,784
Balance at Jun. 30, 2025	$ 33	$ 6	59,206	(22,436)	36,809	(1,232)	35,577
Net income (loss)	$ 0	$ 0	0	1,902	1,902	(113)	1,789
Balance (in shares) at Sep. 30, 2025	3,287,647	611,784
Balance at Sep. 30, 2025	$ 33	$ 6	$ 59,206	$ (20,534)	$ 38,711	$ (1,345)	$ 37,366