Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment (Details)

v3.6.0.2
Property, Plant and Equipment (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 387,818,443 $ 389,269,959  
Deposits on equipment and equipment in process of assembly 8,701,725 2,072,278  
Property, plant and equipment, gross 396,520,168 391,342,237  
Less: accumulated depreciation 175,272,940 118,315,572  
Property, plant and equipment, net 221,247,228 273,026,665  
Depreciation 60,839,858 63,292,507 $ 34,668,765
Proceeds from disposal of property and equipment 4,022,092 1,416,766 3,063,803
(Gain) loss on disposal of property and equipment (747,896) 1,429,087 (341,459)
Land      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment 2,010,555 2,010,555  
Land improvements      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 3,640,976 3,734,178  
Useful Life 15 years    
Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 42,191,745 41,218,431  
Buildings | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 15 years    
Buildings | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 20 years    
Drilling rigs and related equipment      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 138,526,519 139,619,078  
Proceeds from disposal of property and equipment 699,528 404,383 698,860
(Gain) loss on disposal of property and equipment $ (447,477) (76,319) $ (47,803)
Drilling rigs and related equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 3 years    
Drilling rigs and related equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 15 years    
Pressure pumping equipment      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 96,500,592 93,956,896  
Pressure pumping equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 3 years    
Pressure pumping equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 5 years    
Coil tubing equipment      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 28,019,217 30,190,216  
Coil tubing equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 4 years    
Coil tubing equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 10 years    
Other machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 35,548,357 37,829,135  
Other machinery and equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 7 years    
Other machinery and equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 20 years    
Vehicles, trucks and trailers      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 29,964,148 29,542,164  
Vehicles, trucks and trailers | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 5 years    
Vehicles, trucks and trailers | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 10 years    
Other property and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment $ 11,416,334 $ 11,169,306  
Other property and equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 3 years    
Other property and equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 12 years