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Commitments and Contingencies and Subsequent Events (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2015
Jun. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 24, 2014
Apr. 20, 2007
Financial Condition and Liquidity [Abstract]            
Percentage of trade account receivable collateralized under the facility (in hundredths)   85.00%        
Percentage of membership interest sold to investor (in hundredths)         10.00% 39.999%
Cash consideration received on sale of membership interest       $ 3.0 $ 5.0 $ 6.0
Proceeds from related party, debt $ 2.5          
Working capital   $ (4.8) $ 1.1      
Costa Brava [Member]            
Legal Proceedings [Line Items]            
Percentage of public preferred stock owned (in hundredths)   12.70%        
Wynnefield [Member]            
Legal Proceedings [Line Items]            
Percentage of public preferred stock owned (in hundredths)   17.30%