Consolidated Statement of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balances (in shares) at Dec. 31, 2019	5,817,000
Balances at Dec. 31, 2019	$ 10,753,000	$ 6,725,000	$ 8,555,000	$ 26,033,000	$ 5,778,000	$ 31,811,000
Stock-based compensation expense (in shares)	103,000
Stock-based compensation expense	$ 0	299,000	0	299,000	0	299,000
Cash distributions to non-controlling interests	0	0	0	0	(761,000)	(761,000)
NCI investment in acquisition	$ 0	0	0	0	17,000	17,000
Restricted common shares returned to plan (in shares)	(129,000)
Restricted common shares returned to plan	$ 0	0	0	0	0	0
Net income (loss)	$ 0	0	(7,058,000)	(7,058,000)	(658,000)	$ (7,716,000)
Options exercised (in shares)						0
Balances (in shares) at Dec. 31, 2020	5,791,000					5,791,000
Balances at Dec. 31, 2020	$ 10,753,000	7,024,000	1,497,000	19,274,000	4,376,000	$ 23,650,000
Stock-based compensation expense (in shares)	130,000
Stock-based compensation expense	$ 0	420,000	0	420,000	0	420,000
Cash distributions to non-controlling interests	0	0	0	0	(514,000)	(514,000)
Net income (loss)	$ 0	0	194,000	194,000	484,000	$ 678,000
Options exercised (in shares)	5,000					22,000
Options exercised	$ 5,000	0	0	5,000	0	$ 5,000
Issuance of deferred restricted stock awards (in shares)	123,000
Issuance of deferred restricted stock awards	$ 0	0	0	0	0	$ 0
Balances (in shares) at Dec. 31, 2021	6,049,000					6,049,000
Balances at Dec. 31, 2021	$ 10,758,000	$ 7,444,000	$ 1,691,000	$ 19,893,000	$ 4,346,000	$ 24,239,000