Sales Tax, Tax Credits and Other Receivables (Details) - USD ($) |
Aug. 31, 2019 |
Feb. 28, 2019 |
|---|---|---|
| Receivables [Abstract] | ||
| Sales tax | $ 282,178 | $ 82,992 |
| Research and development tax credits | 339,532 | 410,997 |
| Other receivables | 94,604 | 105,011 |
| Sales tax, research and development tax credits and other receivables | $ 716,314 | $ 599,000 |