Share-Based Payments (Details 3) - $ / shares |
6 Months Ended | |
|---|---|---|
Aug. 31, 2019 |
Aug. 31, 2018 |
|
| Share-based Payment Arrangement [Abstract] | ||
| Number of units outstanding, beginning | 402,868 | 34,102 |
| Number of units, granted | 4,114,567 | 102,818 |
| Number of units, issued as common stock | (43,932) | (35,797) |
| Number of units, forfeited | (53,750) | (1,625) |
| Number of units outstanding, ending | 4,419,753 | 99,498 |
| Number of units outstanding, vested | 1,031,684 | 0 |
| Weighted average exercise price outstanding, beginning | $ 8.77 | $ 13.00 |
| Weighted average exercise price, granted | 1.06 | 11.54 |
| Weighted average exercise price, issued as common stock | 10.36 | 13.06 |
| Weighted average exercise price, forfeited | 9.82 | 12.31 |
| Weighted average exercise price outstanding, ending | 1.56 | 11.48 |
| Weighted average exercise price outstanding, vested | $ 1.12 | $ 0.00 |