XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.25.2

INVESTMENTS (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2025
Investments, All Other Investments [Abstract] |
Summarized financial information for the land development partnerships | Summarized financial information for the Kukio Resort Land Development Partnerships is as follows:
| Three months ended June 30,
| 2025 |  | 2024
Revenue | $ | 169,000 |  |  | $ | 518,000 |
Gross (loss) profit | $ | (46,000) |  |  | $ | 129,000 |
Net loss | $ | (538,000) |  |  | $ | (338,000) |
| Nine months ended June 30,
| 2025 |  | 2024
Revenue | $ | 5,761,000 |  |  | $ | 12,557,000 |
Gross profit | $ | 2,612,000 |  |  | $ | 8,275,000 |
Net earnings | $ | 1,013,000 |  |  | $ | 6,674,000 |
Summary of increment I and increment II percentage of sales payment revenues received | The following table summarizes the Increment I revenues from KD I and the amount of fees directly related to such revenues:
| Three months ended June 30, |  | Nine months ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Sale of interest in leasehold land: |  |  |  |  |  |  |
Revenues - sale of interest in leasehold land | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 500,000 |
Fees - included in general and administrative expenses | — |  |  | — |  |  | — |  |  | (61,000) |
Sale of interest in leasehold land, net of fees paid | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 439,000 |

X
- Definition Tabular disclosure of summarized financial information related to equity method investments. + References No definition available. + Details
Name: | brn_ScheduleOfFinancialInformationRelatedToEquityMethodInvestmentsTableTextBlock
Namespace Prefix: | brn_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of percentage of sales payment revenues received from sale of leasehold land. + References No definition available. + Details
Name: | brn_ScheduleOfPercentageOfSalesPaymentRevenuesTableTextBlock
Namespace Prefix: | brn_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration