Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES - Additional Information (Details)

v3.20.4
COMMITMENTS AND CONTINGENCIES - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
hp
Dec. 31, 2019
USD ($)
hydraulic_horse_power
Mar. 31, 2021
USD ($)
Property, Plant and Equipment [Line Items]      
Deposit on property and equipment $ 6,100,000 $ 6,100,000  
Purchase and supply agreement 5,300,000 44,300,000  
Notes issued 3,700,000 $ 1,500,000  
Severance expense $ 1,000,000.0    
Subsequent event | Forecast      
Property, Plant and Equipment [Line Items]      
Sales, excise and use tax     $ 2,100,000
DuraStim      
Property, Plant and Equipment [Line Items]      
Purchase options, property and equipment 108,000 108,000  
Corporate Offices      
Property, Plant and Equipment [Line Items]      
Deposit on property and equipment $ 0    
LandCo | Former executive officer      
Property, Plant and Equipment [Line Items]      
Noncontrolling interest (in percentage) 44.00%