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Equipment Lease Obligations - Schedule of Future Minimum Lease Payments for Equipment Lease Obligations (Parenthetical) (Details)
9 Months Ended
Sep. 30, 2016
Minimum  
Capital Leased Assets [Line Items]  
Capital leases future minimum payments interest rate 4.80%
Maximum  
Capital Leased Assets [Line Items]  
Capital leases future minimum payments interest rate 6.30%