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STOCKHOLDERS' EQUITY (Tables) | 9 Months Ended
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Jun. 30, 2025
Equity [Abstract] |
Summary of the Activity in Restricted Stock Units | The following table summarizes Barnwell’s restricted stock unit activity from October 1, 2024 through June 30, 2025:
Restricted Stock Units |  | Shares |  | Weighted-Average Grant Date Fair Value
Nonvested at October 1, 2024 |  | 110,892 |  |  | $ | 2.63 |
Granted |  | 171,820 |  |  | 1.82 |
Vested (1) |  | (20,000) |  |  | 2.63 |
Forfeited |  | (78,356) |  |  | 2.13 |
Nonvested at June 30, 2025 |  | 184,356 |  |  | $ | 2.09 |
________________________ (1) The underlying common stock for these vested restricted stock units were not yet issued as of June 30, 2025; in July 2025, the Company issued 20,000 shares of common stock for these vested restricted stock units.

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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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