v3.25.2
Property, Plant and Equipment & Natural Gas Properties - Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward (Details) - Unproved properties - USD ($)
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]    
Balance at the beginning of the year $ 230,119,448 $ 163,385,971
Reclassification of environment security bond to other assets   (563,112)
Capital expenditure 102,935,957 51,919,515
Restoration assets 523,732 72,433
Interest on finance lease liability and related depreciation of ROU assets capitalized 12,633,143 14,539,059
Research and development tax credit (6,168,698)  
Effect of changes in foreign exchange rates 2,270,200 765,582
Balance at the end of the year 342,313,782 230,119,448
EP 161    
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]    
Balance at the beginning of the year 23,744,221 23,718,277
Reclassification of environment security bond to other assets   0
Capital expenditure 1,180,592 0
Restoration assets 0 0
Interest on finance lease liability and related depreciation of ROU assets capitalized 0 0
Research and development tax credit 0  
Effect of changes in foreign exchange rates 166,402 25,944
Balance at the end of the year 25,091,215 23,744,221
EP 136    
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]    
Balance at the beginning of the year 51,035,326 50,799,090
Reclassification of environment security bond to other assets   (563,112)
Capital expenditure 314,586 616,440
Restoration assets 0 0
Interest on finance lease liability and related depreciation of ROU assets capitalized 0 0
Research and development tax credit (6,168,698)  
Effect of changes in foreign exchange rates 301,637 182,908
Balance at the end of the year 45,482,851 51,035,326
EP 76, 98 & 117    
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]    
Balance at the beginning of the year 155,339,901 88,868,604
Reclassification of environment security bond to other assets   0
Capital expenditure 101,440,779 51,303,075
Restoration assets 523,732 72,433
Interest on finance lease liability and related depreciation of ROU assets capitalized 12,633,143 14,539,059
Research and development tax credit 0  
Effect of changes in foreign exchange rates 1,802,161 556,730
Balance at the end of the year $ 271,739,716 $ 155,339,901