XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.25.0.1

REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | $ 4,451 | $ 6,140
Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,143 | 3,892
Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 349 | 712
Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 405 | 526
Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 11 | 17
United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 898 | 1,748
Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,553 | 4,392
Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,908 | 5,147
Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Oil and natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,897 | 5,130
Oil and natural gas | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,143 | 3,892
Oil and natural gas | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 349 | 712
Oil and natural gas | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 405 | 526
Oil and natural gas | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Oil and natural gas | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Oil and natural gas | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 355 | 754
Oil and natural gas | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,542 | 4,376
Oil and natural gas | Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 3,897 | 5,130
Oil and natural gas | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Contract drilling | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Contract drilling | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Contract drilling | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 543 | 993
Land investment |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 11 | 17
Other | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 11 | 17
Other | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 1
Other | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 11 | 16
Other | Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 11 | 17
Other | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-91 + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=srt_OilReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=srt_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=srt_NaturalGasLiquidsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=brn_DrillingAndPumpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=brn_GasProcessingandOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=brn_OilAndNaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=brn_ContractDrillingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=brn_LandInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |