Note 13 - Commitments and Contingencies (Details Textual) |
9 Months Ended |
|---|---|
|
Nov. 30, 2021
USD ($)
| |
| Executive Salary, Bonus | $ 18,000 |
| Share-based Payment Arrangement, Potential Severance Payments and Benefits From Termination | 859,000 |
| Share-based Payment Arrangement, Potential Accelerated Cost from Termination | 128,000 |
| Contractual Obligation, Total | $ 64,000 |
| Minimum [Member] | |
| Purchase Contracts, Term (Month) | 6 months |
| Maximum [Member] | |
| Purchase Contracts, Term (Month) | 18 months |