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Note 11 - Stock-based Compensation (Tables) | 12 Months Ended
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Aug. 31, 2025
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Fiscal Year 2025 |  |  | Fiscal Year 2024 |
Dividend yield |  |  | 2.15 | % |  |  | 2.18 | %
Expected volatility |  |  | 47.4 | % |  |  | 46.1 | %
Expected life of option (years) |  | 5 |  |  | 5 |
Weighted average risk-free interest rate |  |  | 3.66 | % |  |  | 4.23 | %
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Shares (#) |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
Outstanding as of August 31, 2023 |  |  | 1,557,132 |  |  | $ | 11.08 |  |  |  |  |
Options granted |  |  | 269,844 |  |  |  | 13.25 |  |  |  |  |
Options exercised |  |  | (74,309 | ) |  |  | 9.76 |  |  |  |  |
Options terminated |  |  | — |  |  |  | — |  |  |  |  |
Outstanding as of August 31, 2024 |  |  | 1,752,665 |  |  | $ | 11.47 |  |  |  |  |
Options granted |  |  | 245,190 |  |  |  | 13.26 |  |  |  |  |
Options exercised |  |  | (12,000 | ) |  |  | 7.43 |  |  |  |  |
Options terminated |  |  | (62,717 | ) |  |  | 7.43 |  |  |  |  |
Outstanding as of August 31, 2025 |  |  | 1,923,138 |  |  | $ | 11.86 |  |  | $ | 62,547 |
Exercisable as of August 31, 2025 |  |  | 1,476,274 |  |  | $ | 11.52 |  |  | $ | 62,547 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  | Number of Restricted Stock Units |  |  | Weighted Average Grant Date Fair Value |
Outstanding as of August 31, 2024 |  |  | — |  |  | $ | — |
Granted |  |  | 11,313 |  |  |  | 13.26 |
Vested/Settled |  |  | — |  |  |  | — |
Outstanding as of August 31, 2025 |  |  | 11,313 |  |  | $ | 13.26 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 + Details
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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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