Share-Based Payments (Details 2) |
6 Months Ended |
|---|---|
|
Aug. 31, 2018
$ / shares
| |
| Share-based Payment Arrangement [Abstract] | |
| Exercise price | $ 11.52 |
| Risk-free interest rate | 2.82% |
| Expected dividend yield | 0.00% |
| Expected volatility | 78.00% |
| Expected life | 6 years 6 months |