CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balances at Dec. 31, 2009	$ 8,606,000	$ 4,593,000	$ 6,205,000	$ 0	$ 19,404,000	$ 3,351,000	$ 22,755,000
Balances (in shares) at Dec. 31, 2009	4,595,000
Stock based compensation expense	0	110,000	0	0	110,000	0	110,000
Stock based compensation expense (in shares)	2,000
Cash distributions to non-controlling interests	0	0	0	0	0	(627,000)	(627,000)
Net income	0	0	57,000	0	57,000	749,000	806,000
Balances at Dec. 31, 2010	8,606,000	4,703,000	6,262,000	0	19,571,000	3,473,000	23,044,000
Balances (in shares) at Dec. 31, 2010	4,597,000
Stock based compensation expense	0	125,000	0	0	125,000	0	125,000
Stock based compensation expense (in shares)	14,000
Investment in subsidiaries by non-controlling interests	0	0	0	0	0	1,509,000	1,509,000
Cash distributions to non-controlling interests	0	0	0	0	0	(996,000)	(996,000)
Net income	0	0	506,000	0	506,000	983,000	1,489,000
Balances at Dec. 31, 2011	8,606,000	4,828,000	6,768,000	0	20,202,000	4,969,000	25,171,000
Balances (in shares) at Dec. 31, 2011	4,611,000
Stock based compensation expense	0	62,000	0	0	62,000	0	62,000
Stock based compensation expense (in shares)	4,000
Repurchase of common stock	(29,000)	0	0	0	(29,000)	0	(29,000)
Repurchase of common stock (in shares)	(9,000)
Investment in subsidiaries by non-controlling interests	0	0	0	0	0	169,000	169,000
Cash distributions to non-controlling interests	0	0	0	0	0	(679,000)	(679,000)
Cumulative translation adjustment and other	0	0	0	(68,000)	(68,000)	(52,000)	(120,000)
Net income	0	0	33,000	0	33,000	614,000	647,000
Balances at Sep. 30, 2012	$ 8,577,000	$ 4,890,000	$ 6,801,000	$ (68,000)	$ 20,200,000	$ 5,021,000	$ 25,221,000
Balances (in shares) at Sep. 30, 2012	4,606,000