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Note 16 - Equity Incentive Plan and Stock Based Compensation - Summary of Shares Issued (Details) - shares | 3 Months Ended
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Feb. 29, 2024 | Feb. 28, 2023
Shares issued (in shares) | 74,000 | 87,250
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) | 69,000 | 82,250

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- Definition 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). + References 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 + Details
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