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Note 14 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 17, 2022 | Mar. 31, 2024 | Nov. 30, 2024 | Nov. 30, 2023 | Nov. 19, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) |  |  | 753,230 |  |
Payment, Tax Withholding, Share-Based Payment Arrangement |  |  | $ 948 | $ 456 |
Restricted Stock Units (RSUs), Excluding Time-based Units [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) |  |  | 600,000 |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) |  |  |  | 200,696 |
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) |  | 21,905 | 57,697 |  |
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount |  |  | $ 2,400 |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  | 1 year 7 months 6 days |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) |  |  | 690,077 |  |
Payment, Tax Withholding, Share-Based Payment Arrangement |  | $ 300 |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares) |  |  | 611,994 |  |
Restricted Stock Units (RSUs) [Member] | Chief Technology Officer [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number (in shares) |  |  |  | 200,000 |
Share-Based Payment Arrangement, Accelerated Cost |  |  |  | $ 500 |
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) |  |  |  | 89,182 |
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage |  |  | 33.33% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, 20 Day Volume Weighted Average Closing Price (in dollars per share) |  |  | $ 6 |  |
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage |  |  | 33.33% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, 20 Day Volume Weighted Average Closing Price (in dollars per share) |  |  | $ 9 |  |
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage |  |  | 33.33% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, 20 Day Volume Weighted Average Closing Price (in dollars per share) |  |  | $ 12 |  |
Restricted Stock Units (RSUs), Time-based [Member] |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | $ 1,600 | $ 3,600 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  | 153,232 | 102,720 |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  | 1 year 3 months 18 days |  |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  | $ 1,400 |  |
The 2020 Equity Incentive Plan (2020 Plan) [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | 3,800,000 |  |  |  | 2,500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) | 1,300,000 |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | 3,400 | $ 5,400 |
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Share-Based Payment Arrangement, Option [Member] | Employees and Directors [Member] |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | $ 1,800 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares) |  |  | 199,500 | 249,999 |

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