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Income Taxes (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Income Taxes [Abstract]      
Income tax benefit (expense) $ 619,000 $ (1,244,000)  
Earnings (loss) before income tax $ (874,000) $ 3,451,000  
Effective income tax rate 70.80% 36.00%  
Federal statutory income tax rate 33.50% 34.00%  
Recognized excess tax benefits $ 326,000    
Unrecognized income tax asset 379,000   $ 379,000
Tax related interest expense 0    
Tax related penalties expense $ 0