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Equipment Lease Obligations - Schedule of Future Minimum Lease Payments for Equipment Lease Obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Leases [Abstract]    
2017 $ 768  
2018 669  
Total minimum lease payments 1,437  
Amount representing interest at 4.8% - 6.3% (81)  
Present value of payments 1,356  
Less: current portion (707) $ (409)
Total equipment financing obligations, net of current portion $ 649