CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive income (loss)	Noncontrolling Interest
Balance at Dec. 31, 2010	$ 131,818	$ 152	$ 185,051	$ (53,550)	$ 165
Balance (in shares) at Dec. 31, 2010		15,124,567
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued	5,540		5,540
Stock compensation accrued (in shares)		331,166
Treasury shares acquired and retired	(1,834)		(1,834)
Treasury shares acquired and retired (in shares)		(106,056)
Warrants exercised		1	(1)
Warrants exercised (in shares)		104,889
Shares issued to ECU shareholder's and officers	224,675	161	224,514
Shares issued to ECU shareholder's and officers (in shares)		16,117,319
ECU replacement options and warrants	9,853		9,853
Private placements, net	30,674	41	30,633
Private placements, net (in shares)		4,118,150
Unrealized loss on marketable equity securities	(287)				(287)
Net loss	(62,671)			(62,671)
Balance at Dec. 31, 2011	337,768	355	453,756	(116,221)	(122)
Balance (in shares) at Dec. 31, 2011		35,690,035
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued	232		232
Stock compensation accrued (in shares)		19,000
Unrealized loss on marketable equity securities	(33)				(33)
Net loss	(10,131)			(10,131)
Balance at Mar. 31, 2012	$ 327,836	$ 355	$ 453,988	$ (126,352)	$ (155)	$ 0
Balance (in shares) at Mar. 31, 2012		35,709,035