v3.25.4
Variable Interest Entities - Schedule of Carrying Amounts of Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Current assets      
Cash and cash equivalents $ 83,404 $ 39,439  
Restricted cash 15,020 5,722  
Trade and other receivables:      
Joint interest billings 1,272 8,191  
ATO receivable 1,713 1,219  
Other receivable 1,122 222  
Prepaid expenses and other current assets 3,832 1,903  
Total current assets 106,363 56,696  
Operating lease right-of-use assets 4,126 1,549  
Finance lease right-of-use assets 17,212 16,544  
Prepaid expenses and other non-current assets 8,956 4,610  
Total non-current assets 494,192 389,766  
TOTAL ASSETS 600,555 446,462  
Current liabilities      
Accounts payable and accrued expenses 38,413 20,457  
Current portion of operating lease obligations 2,829 391  
Current portion of finance lease obligations 11,713 15,307  
Advance against joint interest billings 0 450  
Total current liabilities 52,955 36,605  
Operating lease obligations 1,277 1,175  
Finance lease obligations 11,711 9,523  
Asset retirement obligations 10,461 9,649  
Long-term debt, net 32,592   $ 0
Other non-current liabilities 807 57  
Total non-current liabilities 56,848 20,404  
Total liabilities 109,803 57,009  
Unproved properties      
Trade and other receivables:      
Natural gas properties, successful efforts method: 415,574 342,314  
Assets under construction - natural gas equipment      
Trade and other receivables:      
Natural gas properties, successful efforts method: 47,794 24,441  
Variable interest entity, primary beneficiary | Tamboran (B1) Pty Ltd ("TB1")      
Current assets      
Cash and cash equivalents 9,885 3,729  
Trade and other receivables:      
Joint interest billings 1,272 8,191  
Intercompany receivable 0 1,934  
ATO receivable 1,213 722  
Other receivable 778 113  
Prepaid expenses and other current assets 0 0  
Total current assets 13,147 14,690  
Operating lease right-of-use assets 2,752 0  
Finance lease right-of-use assets 17,212 16,544  
Prepaid expenses and other non-current assets 2,170 2,026  
Total non-current assets 380,132 304,201  
TOTAL ASSETS 393,279 318,891  
Current liabilities      
Accounts payable and accrued expenses 22,584 12,507  
Current portion of operating lease obligations 2,399 0  
Current portion of finance lease obligations 11,713 15,307  
Total current liabilities 36,696 27,814  
Operating lease obligations 306 0  
Finance lease obligations 11,711 9,523  
Asset retirement obligations 5,589 5,127  
Loan from Group 196,762 163,016  
Total non-current liabilities 214,368 177,666  
Total liabilities 251,064 205,480  
Variable interest entity, primary beneficiary | Tamboran SPCF Pty Ltd (“TR SPCF")      
Current assets      
Cash and cash equivalents 1,113 1,935  
Restricted cash 15,020 0  
Trade and other receivables:      
ATO receivable 223 123  
Other receivable 48 0  
Loan to Tamboran 0 1,124  
Total current assets 16,404 3,182  
Prepaid expenses and other non-current assets 3,278 0  
Total non-current assets 51,072 24,441  
TOTAL ASSETS 67,476 27,623  
Current liabilities      
Accounts payable and accrued expenses 11,818 4,364  
Advance against joint interest billings 0 450  
Intercompany payable 2,355 1,338  
Total current liabilities 14,173 6,152  
Asset retirement obligations 102 95  
Long-term debt, net 32,592 0  
Other non-current liabilities 724 0  
Total non-current liabilities 33,418 95  
Total liabilities 47,591 6,247  
Variable interest entity, primary beneficiary | Unproved properties | Tamboran (B1) Pty Ltd ("TB1")      
Trade and other receivables:      
Natural gas properties, successful efforts method: 357,998 285,631  
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: $ 47,794 $ 24,441