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EARNINGS (LOSS) PER COMMON SHARE | 12 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
EARNINGS (LOSS) PER COMMON SHARE | EARNINGS (LOSS) PER COMMON SHARE Basic earnings (loss) per share is computed using the weighted-average number of common shares outstanding for the period. Diluted earnings (loss) 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. Potentially dilutive shares are excluded from the computation of diluted earnings (loss) per share if their effect is anti-dilutive. Options to purchase 615,000 shares were excluded from the computation of diluted shares for the year ended September 30, 2021, as their inclusion would have been antidilutive. There were no options outstanding at September 30, 2020. Reconciliations between net earnings (loss) attributable to Barnwell stockholders and common shares outstanding of the basic and diluted net earnings (loss) per share computations are detailed in the following tables:
| Year ended September 30, 2021
| Net Earnings |  | Shares |  | Per-Share
| (Numerator) |  | (Denominator) |  | Amount
Basic net earnings per share | $ | 6,253,000 |  |  | 8,592,154 |  |  | $ | 0.73 |
Effect of dilutive securities - common stock options | — |  |  | — |  |  |
Diluted net earnings per share | $ | 6,253,000 |  |  | 8,592,154 |  |  | $ | 0.73 |
| Year ended September 30, 2020
| Net Loss |  | Shares |  | Per-Share
| (Numerator) |  | (Denominator) |  | Amount
Basic net loss per share | $ | (4,756,000) |  |  | 8,277,160 |  |  | $ | (0.57) |
Effect of dilutive securities - common stock options | — |  |  | — |  |  |
Diluted net loss per share | $ | (4,756,000) |  |  | 8,277,160 |  |  | $ | (0.57) |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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