Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

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Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]  
Reversal of deferred tax valuation allowance $ 2,989,000
Income tax discrete benefit 9,000
Valuation allowance amount 119,300
Amount of valuation allowance expected to be released in future periods 111,800
Amount of valuation allowance not expected to be released in future periods $ 7,500