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
Jun. 30, 2012
Dec. 31, 2011
Income Taxes (Textual) [Abstract]    
Deferred tax benefits associated with stock-based compensation $ 1,381  
Amount of gross liability for unrecognized tax benefits in non-current liabilities 688 573
Unrecognized tax benefits that would impact effective tax rate, if recognized 522  
Unrecognized tax benefits accrued interest and penalties 209 209
Valuation allowance related to capital losses 2,157  
Federal and state net operating losses   $ 1,287