Note 16 - Stock-based Compensation - Summary of RSU Activity (Details) - shares |
6 Months Ended | |
|---|---|---|
May 31, 2022 |
May 31, 2021 |
|
| Forfeited (in shares) | (16,000) | |
| Restricted Stock Units (RSUs) [Member] | ||
| Unvested and outstanding (in shares) | 1,594,120 | |
| Granted (in shares) | 626 | 1,573,500 |
| Settled (in shares) | (3,874) | |
| Cancelled (in shares) | (778,750) | |
| Forfeited (in shares) | (25,000) | |
| Unvested and outstanding (in shares) | 787,122 | |
| X | ||||||||||
- Definition Number of non-option equity instruments exercised by participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|