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LONG-TERM DEBT (Details) |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Oct. 31, 2014 Investment in land item | Dec. 31, 2014 Canadian revolving credit facility USD ($) | Dec. 31, 2014 Canadian revolving credit facility CAD | Sep. 30, 2014 Canadian revolving credit facility USD ($) | Apr. 30, 2015 Canadian revolving credit facility Subsequent event CAD | Dec. 31, 2014 Real estate loan USD ($) | Sep. 30, 2014 Real estate loan USD ($) | Oct. 31, 2014 Real estate loan Investment in land USD ($)
Long-term debt |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 10,697,000 us-gaap_LongTermDebt | $ 11,099,000 us-gaap_LongTermDebt |  | $ 7,000,000 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  | $ 7,000,000 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  | $ 3,697,000 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_MortgagesMember | $ 4,099,000 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_MortgagesMember |
Less: current portion | (5,697,000)us-gaap_LongTermDebtCurrent | (4,449,000)us-gaap_LongTermDebtCurrent |  |  |  |  |  |  |  |
Total long-term debt | 5,000,000 us-gaap_LongTermDebtNoncurrent | 6,650,000 us-gaap_LongTermDebtNoncurrent |  |  |  |  |  |  |  |
Long-term debt, additional disclosures |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 10,172,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 11,800,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  | 6,500,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |
Interest rate on the facility (as a percent) |  |  |  | 2.66%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 2.66%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Renewal period with no required debt repayments |  |  |  | 1 year | 1 year |  |  |  |  |
Period of term loan if credit facility term date is not extended |  |  |  | 2 years | 2 years |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  | 3.41%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_MortgagesMember |  |
Number of Residential Parcels Sold |  |  | 1 brn_NumberOfResidentialParcelsSold / us-gaap_InvestmentTypeAxis = brn_ResidentialParcelMember |  |  |  |  |  |  |
Debt repaid as a result of the sale of one of the residential parcels |  |  |  |  |  |  |  |  |  | 266,000 us-gaap_RepaymentsOfDebt / us-gaap_InvestmentTypeAxis = brn_ResidentialParcelMember / us-gaap_LongtermDebtTypeAxis = us-gaap_MortgagesMember
Repayment schedule if the facility is converted to a two-year term loan |  |  |  |  |  |  |  |  |  |
Percentage of outstanding loan balance to be repaid in first year of the term period |  |  |  | 20.00%brn_LineOfCreditFacilityConversionRepaymentPercentageYearOne / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 20.00%brn_LineOfCreditFacilityConversionRepaymentPercentageYearOne / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Percentage of outstanding loan balance to be repaid per quarter in first year of the term period |  |  |  | 5.00%brn_LineOfCreditFacilityConversionRepaymentPercentagePerQuarterYearOne / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 5.00%brn_LineOfCreditFacilityConversionRepaymentPercentagePerQuarterYearOne / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Percentage of outstanding loan balance to be repaid in second year of the term period |  |  |  | 80.00%brn_LineOfCreditFacilityConversionRepaymentPercentageYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 80.00%brn_LineOfCreditFacilityConversionRepaymentPercentageYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period |  |  |  | 5.00%brn_LineOfCreditFacilityConversionRepaymentPercentagePerQuarterForFirstThreeQuartersOfYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 5.00%brn_LineOfCreditFacilityConversionRepaymentPercentagePerQuarterForFirstThreeQuartersOfYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Percentage of outstanding loan balance to be repaid in the final quarter of the second year of the term period |  |  |  | 65.00%brn_LineOfCreditFacilityConversionRepaymentPercentageInFinalQuarterOfYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember | 65.00%brn_LineOfCreditFacilityConversionRepaymentPercentageInFinalQuarterOfYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |
Amount included in the current portion of long-term debt |  |  |  | $ 2,000,000 us-gaap_LinesOfCreditCurrent / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |  |

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- Definition Represents the percentage of outstanding loan balance to be repaid in second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Line-of-Credit Arrangement -URI http://asc.fasb.org/extlink&oid=6517033 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
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