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Income Taxes (Details) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Review
Dec. 31, 2011
Income Taxes (Textual) [Abstract]      
Number of years for cumulative loss position   3 years  
Number of sources for taxable income   4  
Valuation allowance $ 51,000,000 $ 51,000,000  
Net deferred tax assets 52,000,000 52,000,000  
Deferred tax benefits including income tax expense 1,100,000 14,400,000  
Income tax expense, including discrete items 15,000 169,000  
Uncertain income tax position unrecognized   less than a 50% likelihood  
Total liability for unrecognized tax benefits included other long-term liabilities   417,000 413,000
Interest expense related to uncertain tax positions 2,000 4,000  
Expected unrecognized tax benefits due to expiration of limitations applicable to the 2007 taxable year 50,000 50,000  
Goodwill and intangible assets impairment tax benefit $ 111,000