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SUMMARY OF SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | 12 Months Ended
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Sep. 30, 2021
Quarterly Financial Information Disclosure [Abstract] |
SUMMARY OF SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | SUMMARY OF SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) Disclosure is not required as Barnwell qualifies as a smaller reporting company.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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