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ACQUISITION OF OIL AND NATURAL GAS PROPERTIES (Detail) (Oil and natural gas properties, Progress area of Alberta, USD $) | 0 Months Ended |
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Nov. 13, 2014 | Nov. 13, 2014
Oil and natural gas properties | Progress area of Alberta |  |
Oil and natural gas properties |  |
Purchase or sales price | $ 526,000 us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember | $ 526,000 us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember
Period after closing of agreement for final determination of the customary adjustments to the purchase price | 180 days |
Allocation of the purchase price to the assets acquired and liabilities assumed |  |
Property and equipment | 751,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember | 751,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember
Asset retirement obligation | (225,000)brn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember | (225,000)brn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember
Net identifiable assets acquired | $ 526,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember | $ 526,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OilAndGasPropertiesMember / us-gaap_StatementGeographicalAxis = brn_ProgressAreaOfAlbertaMember

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- Definition Amount of asset retirement obligation, assumed at the acquisition date. + References No definition available. + Details
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- Details
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- Definition Represents the period after closing of agreement for final determination of the customary adjustments to the purchase price. + References No definition available. + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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- Definition The value of all consideration given or received by the Entity in the significant acquisition or disposal. + References No definition available. + Details
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