The following table summarizes stock option activity and related information for the years ended December 31, 2023, 2022 and 2021: (Details) - $ / shares |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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Equity: | |||
Options shares under option - beginning of year | 441,580 | 524,900 | 713,210 |
Weighted average exercise price shares under option - beginning of year | $ 67.30 | $ 57.58 | $ 52.74 |
Options granted | 47,500 | 62,000 | 9,000 |
Weighted average exercise price options granted | $ 147.71 | $ 97.84 | $ 62.18 |
Options exercised | (154,220) | (136,880) | (156,490) |
Weighted average exercise price options exercised | $ 52.04 | $ 43.86 | $ 34.46 |
Options forfeited | (25,890) | (8,440) | (40,820) |
Weighted average exercise price options forfeited | $ 76.32 | $ 67.65 | $ 62.57 |
Options shares under option - end of year | 308,970 | 441,580 | 524,900 |
Weighted average exercise price shares under option - end of year | $ 86.52 | $ 67.30 | $ 57.58 |
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- References No definition available.
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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