Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Inventory (Details)

v3.5.0.2
Summary of Significant Accounting Policies - Inventory (Details) - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Property, Plant and Equipment [Line Items]    
Amortization of coil tubing strings $ 1,386,856 $ 1,527,148
Coil Tubing Strings    
Property, Plant and Equipment [Line Items]    
Inventory useful life (no longer than) 12 months