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Note 10 - Stock-based Compensation (Tables) | 12 Months Ended
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Aug. 31, 2024
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Fiscal Year 2024 |  |  | Fiscal Year 2023 |
Dividend yield |  |  | 2.18 | % |  |  | 2.44 | %
Expected volatility |  |  | 46.1 | % |  |  | 45.2 | %
Expected life of option (years) |  | 5 |  |  | 10 |
Weighted average risk-free interest rate |  |  | 4.23 | % |  |  | 3.31 | %
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Shares (#) |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
Outstanding at August 31, 2022 |  |  | 1,544,726 |  |  | $ | 10.23 |  |  |  |  |
Options granted |  |  | 277,613 |  |  |  | 11.41 |  |  |  |  |
Options exercised |  |  | (265,209 | ) |  |  | 6.46 |  |  |  |  |
Options terminated |  |  | — |  |  |  | — |  |  |  |  |
Outstanding at August 31, 2023 |  |  | 1,557,130 |  |  | $ | 11.08 |  |  |  |  |
Options granted |  |  | 269,844 |  |  |  | 13.25 |  |  |  |  |
Options exercised |  |  | (74,309 | ) |  |  | 9.76 |  |  |  |  |
Options terminated |  |  | — |  |  |  | — |  |  |  |  |
Outstanding at August 31, 2024 |  |  | 1,752,665 |  |  | $ | 11.47 |  |  | $ | 4,289,563 |
Exercisable at August 31, 2024 |  |  | 1,297,635 |  |  | $ | 10.91 |  |  | $ | 4,045,286 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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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 -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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