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Note 13 - Cash Dividend and Declared Dividends (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended		15 Months Ended
	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025
Payments of Ordinary Dividends	$ 0	$ 0	$ 0	$ 0

X

- Definition

Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfOrdinaryDividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration