Consolidated Statements of Stockholders Equity and Comprehensive Loss (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Common Stock [Member] Common Stock - Second [Member]	Common Stock [Member] Common Stock - Third [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member] Common Stock [Member]	Parent [Member] Common Stock - Second [Member]	Parent [Member] Common Stock - Third [Member]	Parent [Member]	Subsidiaries [Member]	Noncontrolling Interest [Member]	Common Stock [Member]	Common Stock - Second [Member]	Common Stock - Third [Member]	Total
Balance at Dec. 31, 2009				$ 188,515	$ 10,933	$ (162,204)	$ (1,560)				$ 35,684	$ 541	$ 541				$ 36,225
Balance (in Shares) at Dec. 31, 2009				26,350,282
Comprehensive loss:
Investment from non-controlling interest												(536)	(536)				(536)
Net loss						(16,273)					(16,273)	(5)	(5)				(16,278)
Other comprehensive loss							(135)				(135)						(135)
Comprehensive loss											(16,408)		(5)				(16,413)
Share-based compensation				206	792						998						998
Issuance of restricted stock (in Shares)				177,744													710,976
Common stock issued, net of issuance costs				709							709						709
Common stock issued (in Shares)				487,654
Balance at Sep. 30, 2010				189,430	11,725	(178,477)	(1,695)				20,983						20,983
Balance (in Shares) at Sep. 30, 2010				27,015,680
Balance at Jun. 30, 2010				189,225	11,526	(173,196)	(1,648)				25,907						25,907
Balance (in Shares) at Jun. 30, 2010				26,993,363
Comprehensive loss:
Net loss						(5,281)					(5,281)						(5,281)
Other comprehensive loss							(47)				(47)						(47)
Comprehensive loss											(5,328)						(5,328)
Share-based compensation				77	199						276						276
Common stock issued, net of issuance costs				128							128						128
Common stock issued (in Shares)				22,317
Balance at Sep. 30, 2010				189,430	11,725	(178,477)	(1,695)				20,983						20,983
Balance (in Shares) at Sep. 30, 2010				27,015,680
Balance at Dec. 31, 2010				189,491	12,297	(184,490)					17,298						17,298
Balance (in Shares) at Dec. 31, 2010				27,015,680
Comprehensive loss:
Net loss						(14,809)					(14,809)						(14,809)
Comprehensive loss											(14,809)						(14,809)
Share-based compensation				228	522						750						750
Common stock issued, net of issuance costs	3,795		52,103					3,795		52,103				3,795		52,103
Common stock issued (in Shares)	3,600,000	1,800,000	37,036,807
Warrant redemption					(530)						(530)						(530)
Balance at Sep. 30, 2011				245,617	12,289	(199,299)					58,607						58,607
Balance (in Shares) at Sep. 30, 2011				69,452,487
Balance at Jun. 30, 2011				193,436	12,510	(193,426)					12,520						12,520
Balance (in Shares) at Jun. 30, 2011				30,615,680
Comprehensive loss:
Net loss						(5,873)					(5,873)						(5,873)
Comprehensive loss											(5,873)						(5,873)
Share-based compensation				78	309						387						387
Common stock issued, net of issuance costs		52,103							52,103						52,103
Common stock issued (in Shares)	1,800,000	37,036,807
Warrant redemption					(530)						(530)						(530)
Balance at Sep. 30, 2011				$ 245,617	$ 12,289	$ (199,299)					$ 58,607						$ 58,607
Balance (in Shares) at Sep. 30, 2011				69,452,487