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Note 21 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 07, 2023 | Apr. 13, 2018 | Aug. 31, 2023 | Aug. 31, 2022 | Aug. 31, 2023 | Aug. 31, 2022 | Jan. 07, 2022
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | $ 1,300 | $ 1,700 | $ 3,400 | $ 2,400 |
Restricted Stock Units (RSUs) [Member] | Chief Technology Officer [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) |  |  |  |  |  |  | 200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number (in shares) | 200,000 |  |  |  |  |  |
Share-Based Payment Arrangement, Accelerated Cost |  |  | 500 | 500 | 500 |  |
Share-Based Payment Arrangement, Expense |  |  | 500 | 600 | 900 | 600 |
CO2 Pistols [Member] |  |  |  |  |  |  |
Initial Royalty, Percentage of Net Price |  | 2.50% |  |  |  |  |
Net Price Per Unit |  | 167.60 |  |  |  |  |
Reduction in Royalty, Percentage Per Year |  | 0.10% |  |  |  |  |
Minimum Royalty Percentage |  | 1.00% |  |  |  |  |
Initial Royalty Percentage for New Products in Category |  | 2.50% |  |  |  |  |
Fintail Projectiles [Member] |  |  |  |  |  |  |
Initial Royalty, Percentage of Net Price |  | 4.00% |  |  |  |  |
Andre Buys [Member] |  |  |  |  |  |  |
Other Commitment, to be Paid, Year One |  | $ 30 |  |  |  |  |
Andre Buys [Member] | Chief Technology Officer [Member] |  |  |  |  |  |  |
Royalty Expense |  |  | $ 10 | $ 0 | $ 10 | $ 0 |

X
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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