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v3.21.2

Equity - Schedule of stock options outstanding and exercisable (Details) | Mar. 31, 2021 Share $ / shares | Mar. 31, 2020 Share $ / shares | Mar. 31, 2019 Share $ / shares
--- | --- | --- | ---
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 13,554,196 | 20,893,168 | 20,216,952
Number of stock options exercisable | 11,075,446 |  |
Exercise price | $ / shares | $ 0.87 | $ 0.57 | $ 0.61
September 14, 2022 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 676,502 |  |
Number of stock options exercisable | 676,502 |  |
Exercise price | $ / shares | $ 0.30 |  |
February 11, 2026 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 10,000 |  |
Number of stock options exercisable | 0 |  |
Exercise price | $ / shares | $ 3.14 |  |
September 14, 2027 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 5,075,000 |  |
Number of stock options exercisable | 5,075,000 |  |
Exercise price | $ / shares | $ 0.30 |  |
October 11, 2027 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 1,122,194 |  |
Number of stock options exercisable | 1,122,194 |  |
Exercise price | $ / shares | $ 2.00 |  |
March 26, 2028 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 250,000 |  |
Number of stock options exercisable | 250,000 |  |
Exercise price | $ / shares | $ 2.00 |  |
September 18, 2028 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 2,000,000 |  |
Number of stock options exercisable | 2,000,000 |  |
Exercise price | $ / shares | $ 0.62 |  |
December 21, 2028 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 500,000 |  |
Number of stock options exercisable | 500,000 |  |
Exercise price | $ / shares | $ 0.27 |  |
February 10, 2030 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 2,812,500 |  |
Number of stock options exercisable | 1,406,250 |  |
Exercise price | $ / shares | $ 0.29 |  |
May 29, 2030 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 100,000 |  |
Number of stock options exercisable | 37,500 |  |
Exercise price | $ / shares | $ 0.38 |  |
December 24, 2030 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 8,000 |  |
Number of stock options exercisable | 8,000 |  |
Exercise price | $ / shares | $ 2.16 |  |
February 23, 2031 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Number of stock options outstanding | 1,000,000 |  |
Number of stock options exercisable | 0 |  |
Exercise price | $ / shares | $ 5.00 |  |

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