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Long-Term Debt (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Line of Credit Facility [Line Items]    
Borrowing base $ 11,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity $ 11,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity