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Note 14 - Equity Incentive Plan and Stock Based Compensation - Summary of Shares Issued (Details) - shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020
Shares issued (in shares) | 5,000 | 5,000 | 108,500 | 143,917
Director [Member] | Vesting Immediately [Member] |  |  |  |
Shares issued (in shares) | 5,000 | 5,000 | 20,000 | 20,000
Employees, Directors, and Consultants [Member] | Awards with Three-year Vesting [Member] |  |  |  |
Shares issued (in shares) | 0 | 0 | 88,500 | 123,917

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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