v3.26.1
Variable Interest Entities - Schedule of Carrying Amounts of Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Jun. 30, 2025
Current assets    
Cash and cash equivalents $ 88,151 $ 39,439
Restricted cash 13,766 5,722
Trade and other receivables:    
Joint interest billings 3,888 8,191
ATO receivable 2,711 1,219
Other receivable 227 222
Prepaid expenses and other current assets 9,363 1,903
Total current assets 118,106 56,696
Operating lease right-of-use assets 3,275 1,549
Finance lease right-of-use assets 15,081 16,544
Prepaid expenses and other non-current assets 8,779 4,610
Total non-current assets 553,956 389,766
TOTAL ASSETS 672,062 446,462
Current liabilities    
Accounts payable and accrued expenses 42,829 20,457
Current portion of operating lease obligations 2,491 391
Current portion of finance lease obligations 13,776 15,307
Advance against joint interest billings 0 450
Total current liabilities 59,096 36,605
Operating lease obligations 874 1,175
Finance lease obligations 9,049 9,523
Asset retirement obligations 11,053 9,649
Long-term debt, net 44,575 0
Other non-current liabilities 837 57
Total non-current liabilities 66,388 20,404
Total liabilities 125,484 57,009
Unproved properties    
Trade and other receivables:    
Natural gas properties, successful efforts method: 465,020 342,314
Assets under construction - natural gas equipment    
Trade and other receivables:    
Natural gas properties, successful efforts method: 61,200 24,441
Variable interest entity, primary beneficiary | Tamboran (B1) Pty Ltd ("TB1")    
Current assets    
Cash and cash equivalents 12,532 3,729
Trade and other receivables:    
Joint interest billings 185 8,191
Intercompany receivable 0 1,934
ATO receivable 2,042 722
Other receivable 11 113
Prepaid expenses and other current assets 3,922 0
Total current assets 18,692 14,690
Operating lease right-of-use assets 1,972 0
Finance lease right-of-use assets 15,081 16,544
Prepaid expenses and other non-current assets 2,226 2,026
Total non-current assets 424,537 304,201
TOTAL ASSETS 443,229 318,891
Current liabilities    
Accounts payable and accrued expenses 27,177 12,507
Current portion of operating lease obligations 2,033 0
Current portion of finance lease obligations 13,773 15,307
Total current liabilities 42,983 27,814
Operating lease obligations 0 0
Finance lease obligations 9,054 9,523
Asset retirement obligations 5,906 5,127
Loan from Group 223,479 163,016
Total non-current liabilities 238,439 177,666
Total liabilities 281,422 205,480
Variable interest entity, primary beneficiary | Tamboran SPCF Pty Ltd (“TR SPCF")    
Current assets    
Cash and cash equivalents 1,247 1,935
Restricted cash 13,766 0
Trade and other receivables:    
ATO receivable 447 123
Other receivable 48 0
Loan to Tamboran 0 1,124
Total current assets 15,508 3,182
Prepaid expenses and other non-current assets 3,025 0
Total non-current assets 64,225 24,441
TOTAL ASSETS 79,733 27,623
Current liabilities    
Accounts payable and accrued expenses 11,330 4,364
Advance against joint interest billings 0 450
Intercompany payable 2,524 1,338
Total current liabilities 13,854 6,152
Asset retirement obligations 107 95
Long-term debt, net 44,575 0
Other non-current liabilities 743 0
Total non-current liabilities 45,425 95
Total liabilities 59,279 6,247
Variable interest entity, primary beneficiary | Unproved properties | Tamboran (B1) Pty Ltd ("TB1")    
Trade and other receivables:    
Natural gas properties, successful efforts method: 405,258 285,631
Variable interest entity, primary beneficiary | Assets under construction - natural gas equipment | Tamboran SPCF Pty Ltd (“TR SPCF")    
Trade and other receivables:    
Natural gas properties, successful efforts method: $ 61,200 $ 24,441