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STOCKHOLDERS'EQUITY (DEFICIT) (Tables) | 9 Months Ended
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Jun. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of the Activity in Restricted Stock Units | The following table summarizes Barnwell’s restricted stock unit activity from October 1, 2022 through June 30, 2023:
Restricted Stock Units |  | Shares |  | Weighted-Average Grant Date Fair Value
Nonvested at October 1, 2022 |  | — |  |  | $ | — |
Granted |  | 37,312 |  |  | 2.65 |
Vested |  | — |  |  | — |
Forfeited |  | — |  |  | — |
Nonvested at June 30, 2023 |  | 37,312 |  |  | $ | 2.65 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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