Note 16 - Equity Incentive Plan and Stock Based Compensation - Summary of Shares Issued (Details) - shares	3 Months Ended
Feb. 28, 2025	Feb. 29, 2024
Shares issued (in shares)	51,000	74,000
Director [Member] \| Vesting Immediately [Member]
Shares issued (in shares)	5,000	5,000
Employees, Directors, and Consultants [Member] \| Awards with Three-year Vesting [Member]
Shares issued (in shares)	46,000	69,000

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration