CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock and Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests
Balance at Dec. 31, 2011	$ 15,493	$ 35,047	$ (18,713)	$ (841)
Balance (in shares) at Dec. 31, 2011	12,803,000	12,803,000
Increase (Decrease) in Stockholders' Equity
Deconsolidation of variable interest entity - 1/1/12	660			660
Common stock dividend adjustment (in shares)		88,000
Nonemployee warrants for services	644	644
Stock based compensation expense	538	538
Public stock offering, net	3,837	3,837
Public stock offering, net (in shares)		1,165,000
Exercises of options and warrants	137	137
Exercises of options and warrants (in shares)		95,000
Stock issued in acquisition	750	750
Stock issued in acquisition (in shares)		187,000
Issuance of restricted stock	276	276
Issuance of restricted stock (in shares)		320,000
Net loss	(7,398)		(6,978)	(420)
Balance at Sep. 30, 2012	$ 14,935	$ 41,229	$ (25,691)	$ (603)
Balance (in shares) at Sep. 30, 2012	14,658,000	14,658,000