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Fair Value of Financial Instruments (Changes in Financial Instruments Measured Using Level 3 Inputs) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Jun. 30, 2016
Sep. 30, 2016
Changes in financial instruments measured at fair value using Level 3 inputs              
Beginning balance $ 341 $ 227 $ 92 $ 89
Loss on re-measurement of the financing derivative liability     114 135 3    
Loan payoff (341)      
Ending balance $ 341 $ 227 $ 92