Note 9 - Stock Compensation Plans (Details Textual) - shares shares in Thousands |
Feb. 29, 2020 |
Feb. 28, 2019 |
Feb. 28, 2018 |
|---|---|---|---|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares) | 0 | 0 | 0 |