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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Current:    
Federal $ (2,177) $ (4,007)
State 0 3
Foreign (3) 4
Total Current (2,180) (4,000)
Deferred:    
Federal 1 3,300
State 6 0
Foreign 0 0
Total deferred 7 3,300
Total provision for income taxes (2,173) (700)
Net change in the total valuation allowance 208  
Federal [Member]
    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 912  
Operating loss carryforwards, expiration dates expiring beginning in 2027  
State [Member]
    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 44,277  
Operating loss carryforwards, expiration dates expiring beginning in 2012