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Commitments and Contingencies (Details) (USD $)
0 Months Ended 6 Months Ended
Nov. 01, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Financial Condition and Liquidity [Abstract]        
Working capital   $ 1,500,000   $ 17,300,000
Leases [Abstract]        
Term of lease 13 years      
Renewal term of lease   15 years    
Proceeds from assignment of purchase option under lease   1,669,000 0  
Increase in capital assets   5,700,000    
Net book value of capital assets   18,300,000    
Increase in capital assets liability   6,700,000    
Capital assets obligation   $ 22,000,000    
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)   11.70%