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Commitment and Contingencies - Narrative (Details)	3 Months Ended	12 Months Ended
Commitment and Contingencies - Narrative (Details)	Jun. 30, 2025 AUD ($)	Jun. 30, 2025 AUD ($)	Jun. 30, 2025 USD ($) license well	Jun. 30, 2025 AUD ($) license well	Dec. 19, 2024 AUD ($) bondFacility	Jun. 30, 2024 USD ($)
Other Commitments [Line Items]
Number of potential additional performance bond facilities \| bondFacility					2
Unamortized debt issuance expense				$ 697,941
Amortization of debt issuance costs	$ 168,469
APA Group (APA) \| Financial guarantee \| Sturt Pipeline Project (“SPP”)
Other Commitments [Line Items]
Guarantor obligation, construction costs covered by bank guarantees, percentage			67.00%	67.00%
Guarantor obligations, maximum exposure, undiscounted				$ 14,400,000
Letter of credit, facility A \| Macquarie Bank Limited (“Macquarie”)
Other Commitments [Line Items]
Line of credit facility, maximum borrowing capacity					$ 25,000,000
Letters of credit outstanding, amount				17,622,580
Line of credit facility, remaining borrowing capacity				$ 7,377,420
Letter of credit, facility B \| Macquarie Bank Limited (“Macquarie”)
Other Commitments [Line Items]
Line of credit facility, maximum borrowing capacity					5,000,000
Line of credit facility, conditions to issue stock, value, new issues					62,500,000
Letter of credit, facility C \| Macquarie Bank Limited (“Macquarie”)
Other Commitments [Line Items]
Line of credit facility, maximum borrowing capacity					5,000,000
Line of credit facility, conditions to issue stock, value, new issues					$ 75,000,000
Letter of credit \| Line of credit
Other Commitments [Line Items]
Interest rate, stated percentage			12.00%	12.00%
Letter of credit \| Macquarie Bank Limited (“Macquarie”)
Other Commitments [Line Items]
Line of credit facility, covenants, minimum liquidity				$ 20,000,000
Line of credit facility, covenants, minimum current ratio			100.00%	100.00%
Line of credit facility, establishment fee		$ 500,000
Line of credit, drawdown fee percentage		10.00%
Line of credit facility, commitment fee percentage		4.00%
Letter of credit, facility B and C \| Macquarie Bank Limited (“Macquarie”)
Other Commitments [Line Items]
Line of credit facility, remaining borrowing capacity				$ 10,000,000
Sweetpea Petroleum Pty Ltd
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			$ 23,115,097			$ 23,283,360
Number of licenses \| license			2	2
Sweetpea Petroleum Pty Ltd \| EP 136
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			$ 13,974,276
Unrecorded unconditional purchase obligation, term		5 years
Sweetpea Petroleum Pty Ltd \| EP 143
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			9,140,821
EP 161
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			2,301,646			2,649,600
Beetaloo Joint Venture
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			$ 75,629,604			62,642,340
Number of wells \| well			4	4
Beetaloo Joint Venture \| EP 76
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			$ 10,702,651
Beetaloo Joint Venture \| EP 98
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			53,332,414
Beetaloo Joint Venture \| EP 117
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			11,594,539
Midstream
Other Commitments [Line Items]
Unrecorded unconditional purchase obligation			$ 9,055,759			$ 1,971,843