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Note 8 - Options: Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Tables) | 12 Months Ended
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Dec. 31, 2022
Tables/Schedules |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
|  | Years ended December 31,
|  | 2022 |  |  | 2021 |  |  | 2020
Expected dividend amount per quarter | $ | 0.3050 |  | $ | - |  | $ | 0.2943
Expected stock price volatility |  | 29.87% |  |  | - |  |  | 27.5%
Risk-free interest rate |  | 4.09% |  |  | - |  |  | 0.56%
Expected life of options |  | 5.7 years |  |  | - |  |  | 5.3 years

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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