STOCKHOLDERS' EQUITY - Stock option activity (Detail 1) - USD ($) |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
Aug. 31, 2017 |
|
| No. of Options | |||
| Balance Outstanding | 5,275,500 | ||
| Granted | 1,517,500 | ||
| Exercised | 255,734 | ||
| Forfeited | 1,534,167 | ||
| Balance Outstanding | 5,003,009 | 5,275,500 | |
| Exercisable | 2,096,861 | ||
| Weighted Average Exercise Price | |||
| Balance Outstanding | $ 1.73 | ||
| Granted | 3.50 | $ 0.81 | |
| Exercised | 1.23 | ||
| Forfeited | 2.62 | ||
| Balance Outstanding | 2.52 | $ 1.73 | |
| Exercisable | $ 1.03 | ||
| Balance Outstanding, Weighted Average Remaining Contractual Term | 8 years 7 months 6 days | 8 years | |
| Granted, Weighted Average Remaining Contractual Term | 9 years 10 months 24 days | ||
| Exercisable, Weighted Average Remaining Contractual Term | 7 years 7 months 6 days | ||
| Aggregate Intrinsic Value, Balance Outstanding | $ 11,178,632 | $ 917,610 | |
| Exercisable, Aggregate Intrinsic Value | $ 4,242,215 | ||