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UNAUDITED CONSOLIDATED STATEMENTS SHAREHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Common Stock [Member]
Additional paid-in capital [Member]
Deficit [Member]
Accumulated other comprehensive income/(loss) [Member]
Total
Balance, beginning of period at Dec. 31, 2011 $ 380,119 $ 24,670 $ (263,741) $ 175 $ 141,223
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock options expensed 0 442 0 0 442
Restricted stock units expensed 0 1,550 0 0 1,550
Compensation options exercised 733 0 0 0 733
Compensation warrants exercised 1,100 0 0 0 1,100
Other comprehensive loss 0 0 0 (226) (226)
Net loss 0 0 (41,728) 0 (41,728)
Balance, end of period at Jun. 30, 2012 $ 381,952 $ 26,662 $ (305,469) $ (51) $ 103,094