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Fair Value of Financial Instruments (Change in Level 3) (Details) - Warrant [Member] - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 283 $ 204
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings 79  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) 0  
Fair Value, Liabilities Measured on Recurring Basis, Change in Unrealized Gain (Loss) $ 79