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Note 16 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 17, 2022 | Mar. 23, 2022 | Jan. 17, 2022 | Aug. 31, 2022 | Feb. 28, 2022 | Aug. 31, 2021 | Aug. 31, 2022 | Aug. 31, 2021 | Jun. 16, 2022 | Nov. 30, 2021 | Nov. 19, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | 50,000,000 |  |  |  |  |  |  |  | 300,000,000 |  |
Share-Based Payment Arrangement, Expense |  |  |  | $ 2,700 |  | $ 1,000 | $ 4,100 | $ 2,500 |  |  |
Percentage of RSUs Exchanged for Stock Options |  | 50.00% |  |  |  |  |  |  |  |  |
Number of RSUs Exchanged for Stock Options (in shares) |  | 778,750 |  |  |  |  | 3,874 | 8,392 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares) |  |  |  |  |  |  | 20,500 |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  |  | 3,600 |  |  | $ 3,600 |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  | 1,000 |  | 900 | $ 2,300 | $ 2,300 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares) |  |  |  |  |  |  | 376,555 | 174,493 |  |  |
Share-Based Payment Arrangement, Plan Modification, Reclassified from Paid in Capital to Liability |  |  | $ 1,000 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares) |  |  |  |  |  |  | 25,000 |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount |  |  |  | 5,200 |  |  | $ 5,200 |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  | 1 year 1 month 6 days |  |  |  |
Restricted Stock Units (RSUs) [Member] | CTO [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares) |  |  |  |  | 200,000 |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Former Employee [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares) |  |  |  |  | 25,000 |  |  |  |  |  |
Modified Rewards [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  | 0 |  | 1,400 |  |  |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  | 2 years 6 months |  |  |  |
The 2017 Stock Option Plan (2017 Plan) [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) |  |  |  |  |  |  |  |  |  | 1,899,327 |
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 |  |  |  |  |  |  |  |  |  |
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Board of Directors Chairman [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares) |  |  |  |  |  |  | 994,750 | 41,000 |  |  |
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Share-Based Payment Arrangement, Option [Member] | Employees and Directors [Member] |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  | $ 1,700 |  | $ 50 | $ 1,700 | $ 60 |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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