Condensed Consolidated Statements 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 (loss)					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, 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
Net income (loss)								(77,000)
Non-controlling interest RI Acquisition								0
Balances (in shares) at Jun. 30, 2023			6,214,000
Balances at Jun. 30, 2023			$ 10,763,000	8,036,000	3,096,000	21,895,000	3,846,000	25,741,000
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
Stock-based compensation expense				97,000		97,000		97,000
Net income (loss)			$ 0	0	(111,000)	(111,000)	(66,000)	(177,000)
Vested restricted stock awards (in shares)	30,000
Vested restricted stock awards		$ 0
Balances (in shares) at Jun. 30, 2023			6,214,000
Balances at Jun. 30, 2023			$ 10,763,000	8,036,000	3,096,000	21,895,000	3,846,000	$ 25,741,000
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 (loss)					119,000	119,000	(54,000)	65,000
Vested restricted stock awards (in shares)			30,000
Vested restricted stock awards			$ 0	0	0	0	0	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
Balances at Mar. 31, 2024			$ 10,763,000	8,330,000	3,748,000	22,841,000	3,544,000	$ 26,385,000
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
Net income (loss)								3,833,000
Non-controlling interest RI Acquisition								$ 2,100,000
Balances (in shares) at Jun. 30, 2024			6,360,000					6,360,000
Balances at Jun. 30, 2024			$ 10,763,000	8,429,000	7,350,000	26,542,000	5,810,000	$ 32,352,000
Balances (in shares) at Mar. 31, 2024			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
Stock-based compensation expense				99,000		99,000		99,000
Net income (loss)			$ 0	0	3,602,000	3,602,000	166,000	3,768,000
Vested restricted stock awards (in shares)			30,000
Vested restricted stock awards			$ 0	0	0	0	0	0
Non-controlling interest RI Acquisition			$ 0	0	0	0	2,100,000	$ 2,100,000
Balances (in shares) at Jun. 30, 2024			6,360,000					6,360,000
Balances at Jun. 30, 2024			$ 10,763,000	$ 8,429,000	$ 7,350,000	$ 26,542,000	$ 5,810,000	$ 32,352,000