Leases - Income Statement transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Operating leases
Operating lease cost charged to profit and loss	$ 130,028	$ 141,471	$ 287,174	$ 211,985
Finance leases
Interest on lease liabilities	692,582	762,171	1,488,506	1,578,081
Depreciation on right-of-use assets	2,532,714	2,927,616	5,065,429	6,025,148
Total finance lease cost	3,225,296	3,689,787	6,553,935	7,603,229
Less: Lease cost capitalized to unproved properties	(3,225,296)	(3,689,787)	(6,553,935)	(7,603,229)
Finance lease cost charged to profit and loss	$ 0	$ 0	$ 0	$ 0