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Note 18 - Subsequent Events (Details Textual) - $ / shares |  | 12 Months Ended
--- | --- | ---
Oct. 15, 2025 | Aug. 31, 2025 | Aug. 31, 2024
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share) |  | $ 0.16 | $ 0.28
O 2026 Q1 Dividends [Member] | Subsequent Event [Member] |  |  |
Declaration date | Oct. 15, 2025 |  |
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share) | $ 0.01 |  |
Dividends Payable, Date to be Paid | Nov. 12, 2025 |  |
Dividends Payable, Date of Record | Oct. 29, 2025 |  |

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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