Note 11 - Earnings Per Share (Details Textual) - shares |
9 Months Ended | |
|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Warrant [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 960,677 | 960,677 |
| Common Stock [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 160,951 | 219,596 |