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The following table sets forth information with respect to nonvested options for 2023: (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity: |  |  |
Nonvested options - beginning of year | 168,730 |  |
Weighted average grant date fair value, beginning of year | $ 16.31 |  |
Nonvested options granted | 47,500 | 62,000 | 9,000
Weighted average grant date fair value, granted | $ 35.08 |  |
Nonvested options vested or forfeited | (94,130) |  |
Weighted average grant date fair value, vested or forfeited | $ 15.19 |  |
Nonvested options - end of year | 122,100 | 168,730 |
Weighted average grant date fair value, end of year | $ 24.47 | $ 16.31 |

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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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