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	12,193,000	12,193,000
Increase (Decrease) in Stockholders' Equity
Deconsolidation of variable interest entity	660			660
Nonemployee warrants for services	565	565
Stock based compensation expense	346	346
Public stock offering, net	3,768	3,768
Public stock offering, net (in shares)		1,165,000
Exercises of options and warrants	95	95
Exercises of options and warrants (in shares)		69,000
Issuance of restricted stock	25	25
Issuance of restricted stock (in shares)		270,000
Net loss	(2,758)		(2,472)	(286)
Balance at Jun. 30, 2012	$ 18,193	$ 39,846	$ (21,185)	$ (468)
Balance (in shares) at Jun. 30, 2012	13,697,000	13,697,000