Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($)	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balances (in shares) at Dec. 31, 2022			6,184,000
Balances at Dec. 31, 2022			$ 10,763,000	$ 7,843,000	$ 3,019,000	$ 21,625,000	$ 4,000,000	$ 25,625,000
Stock-based compensation expense				96,000		96,000		96,000
Net income					188,000	188,000	(88,000)	100,000
Balances (in shares) at Mar. 31, 2023			6,184,000
Balances at Mar. 31, 2023			$ 10,763,000	7,939,000	3,207,000	21,909,000	3,912,000	$ 25,821,000
Balances (in shares) at Dec. 31, 2023			6,300,000					6,300,000
Balances at Dec. 31, 2023			$ 10,763,000	8,232,000	3,629,000	22,624,000	3,655,000	$ 26,279,000
Stock-based compensation expense				98,000		98,000		98,000
Net income					119,000	119,000	(54,000)	65,000
Vested restricted stock awards (in shares)	30,000
Vested restricted stock awards		$ 0
Capital contribution non-controlling interests			$ 0	0	0	0	38,000	38,000
Cash distributions to non-controlling interests							(95,000)	$ (95,000)
Balances (in shares) at Mar. 31, 2024			6,330,000					6,330,000
Balances at Mar. 31, 2024			$ 10,763,000	$ 8,330,000	$ 3,748,000	$ 22,841,000	$ 3,544,000	$ 26,385,000