Consolidated Statements of Operations (Unaudited) (Parentheticals) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Amortization expense included in cost of goods sold | $ 155,170 | $ 157,582 | $ 464,767 | $ 473,294 |