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Enduro Purchase and Sale Agreement and "Stalking Horse" Bid - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2018
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Asset Acquisition [Line Items]            
Enduro transaction breakup fee   $ 0   $ 0 $ 0 $ 1,100,000
Purchase price of oil and gas assets         $ 9,337,716 $ 0
Affiliate of Enduro Resource Partners LLC            
Asset Acquisition [Line Items]            
Enduro transaction breakup fee     $ 1,100,000      
Purchase price of oil and gas assets $ 27,500,000          
Escrow deposit $ 2,750,000