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Fair Value (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 17,393,000 $ 16,844,000
Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 17,397,000 16,681,000
Debt discount $ 1,400,000 $ 2,100,000