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Fair Value (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 16,219,000 $ 25,206,000
Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 16,184,000 25,373,000
Debt discount $ 2,700,000 $ 1,500,000