XML 50 R35.htm IDEA: XBRL DOCUMENT
v3.21.4

INVESTMENTS (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2021
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:
| Year ended September 30,
| 2021 |  | 2020
Revenue | $ | 43,013,000 |  |  | $ | 7,911,000 |
Gross profit | $ | 24,759,000 |  |  | $ | 4,071,000 |
Net earnings | $ | 20,612,000 |  |  | $ | 618,000 |
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 (see Note 18 “Commitments and Contingencies - Other Matters”):
| Year ended September 30,
| 2021 |  | 2020
Sale of interest in leasehold land: |  |  |
Revenues - sale of interest in leasehold land | $ | 1,738,000 |  |  | $ | 325,000 |
Fees - included in general and administrative expenses | (212,000) |  |  | (40,000) |
Sale of interest in leasehold land, net of fees paid | $ | 1,526,000 |  |  | $ | 285,000 |

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: | nonnum: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: | nonnum: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