Note 17 - Subsequent Events (Details Textual) - $ / shares		12 Months Ended
Oct. 16, 2024	Aug. 31, 2024	Aug. 31, 2023
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)		$ 0.28	$ 0.28
Subsequent Event [Member]
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.07
Subsequent Event [Member] \| O, 2025, Q1, Dividends [Member]
Dividends Payable, Date to be Paid	Nov. 13, 2024
Dividends Payable, Date of Record	Oct. 30, 2024

Aggregate dividends declared during the period for each share of common stock outstanding.

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

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Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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