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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parentheticals) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income tax expense   $ (7) $ 26
Income tax benefit 3,012 (340) 5,251
Income tax expense 3,798 503 54
Income tax expense $ 3 $ 3 $ 12