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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)
In Thousands
Common Stock [Member]
Warrants [Member]
Stock-based compensation [Member]
Additional paid in capital [Member]
Deficit [Member]
Accumulated other comprehensive income (loss) [Member]
Total
Balances at December 31, 2010 at Dec. 31, 2010 $ 349,719 $ 10,721 $ 4,695 $ 7,565 $ (315,287) $ 929 $ 58,342
Issued during the period 28,400 588 671 0 0 0 29,659
Stock options exercised during period 666 0 (224) 0 0 0 442
Stock options expensed during period 0 0 88 0 0 0 88
Restricted stock units expensed during period 0 0 189 0 0 0 189
Warrants expired during period 0 (336) 0 336 0 0 0
Warrants exercised during period 63 (15) 0 0 0 0 48
Other comprehensive loss 0 0 0 0 0 (574) (574)
Net loss 0 0 0 0 43,887 0 43,887
Balances at June 30, 2011 at Jun. 30, 2011 $ 378,848 $ 10,958 $ 5,419 $ 7,901 $ (271,400) $ 355 $ 132,081