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Asset Retirement Obligations (Details)
9 Months Ended 12 Months Ended
Nov. 01, 2019
USD ($)
Mar. 31, 2020
USD ($)
well
Jun. 30, 2019
USD ($)
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]      
Asset retirement obligations — beginning of period   $ 1,610,845 $ 1,422,955
Liabilities incurred   903,580 31,268
Liabilities settled   (86,593) 0
Liabilities sold   0 0
Accretion of discount   103,852 101,506
Revision of previous estimates   (32,504) 55,116
Asset retirement obligations — end of period   2,499,180 1,610,845
Less current portion in accrued liabilities   0 (50,244)
Long-term portion of asset retirement obligations   $ 2,499,180 $ 1,560,601
Delhi field      
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]      
Abandoned wells | well   1  
Hamilton Dome Field      
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]      
Liabilities incurred $ 900,000    
Abandoned wells | well   4