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(LOSS) EARNINGS PER COMMON SHARE | 12 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
(LOSS) EARNINGS PER COMMON SHARE | (LOSS) EARNINGS PER COMMON SHARE Basic (loss) earnings per share is computed using the weighted-average number of common shares outstanding for the period. Diluted (loss) earnings per share is calculated using the treasury stock method to reflect the assumed issuance of common shares for all potentially dilutive securities, which consist of outstanding stock options and nonvested restricted stock units. Potentially dilutive shares are excluded from the computation of diluted (loss) earnings per share if their effect is anti-dilutive. Options to purchase 546,781 shares of common stock and 18,605 restricted stock units were excluded from the computation of diluted shares for the year ended September 30, 2023, as their inclusion would have been anti-dilutive. Options to purchase 615,000 shares were excluded from the computation of diluted shares for the year ended September 30, 2022, as their inclusion would have been anti-dilutive. Reconciliations between net (loss) earnings attributable to Barnwell stockholders and common shares outstanding of the basic and diluted net (loss) earnings per share computations are detailed in the following tables:
| Year ended September 30, 2023
| Net Loss |  | Shares |  | Per-Share
| (Numerator) |  | (Denominator) |  | Amount
Basic net loss | $ | (961,000) |  |  | 9,969,856 |  |  | $ | (0.10) |
Effect of dilutive securities - common stock options and restricted stock units | — |  |  | — |  |  |
Diluted net loss | $ | (961,000) |  |  | 9,969,856 |  |  | $ | (0.10) |
| Year ended September 30, 2022
| Net Earnings |  | Shares |  | Per-Share
| (Numerator) |  | (Denominator) |  | Amount
Basic net earnings | $ | 5,513,000 |  |  | 9,732,936 |  |  | $ | 0.57 |
Effect of dilutive securities - common stock options | — |  |  | — |  |  |
Diluted net earnings | $ | 5,513,000 |  |  | 9,732,936 |  |  | $ | 0.57 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-3 + Details
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