Derivative liabilities - Additional information (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jan. 14, 2025
$ / shares
shares
|
Dec. 21, 2024
shares
|
Sep. 16, 2024
$ / shares
shares
|
Dec. 21, 2023
$ / shares
shares
|
Sep. 20, 2023
$ / shares
shares
|
Aug. 02, 2023
$ / shares
shares
|
Jun. 16, 2023
$ / shares
shares
|
Apr. 19, 2023
$ / shares
shares
|
Feb. 17, 2023
$ / shares
shares
|
Jan. 19, 2023
$ / shares
shares
|
Aug. 05, 2022
$ / shares
shares
|
Nov. 23, 2020
$ / shares
shares
|
May 31, 2025
CAD ($)
|
May 31, 2024
CAD ($)
|
May 31, 2025
CAD ($)
shares
|
May 31, 2024
CAD ($)
|
Aug. 31, 2024
CAD ($)
|
Jan. 14, 2025
$ / shares
|
Sep. 16, 2024
$ / shares
|
Dec. 21, 2023
$ / shares
|
Dec. 13, 2023
$ / shares
shares
|
Dec. 13, 2023
$ / shares
shares
|
Sep. 20, 2023
$ / shares
|
Aug. 02, 2023
$ / shares
|
Jun. 16, 2023
$ / shares
|
Apr. 19, 2023
$ / shares
|
Feb. 17, 2023
$ / shares
|
Jan. 19, 2023
$ / shares
|
Aug. 05, 2022
$ / shares
|
Nov. 23, 2020
$ / shares
|
|
| Derivative liabilities | ||||||||||||||||||||||||||||||
| Number of warrants to purchase voting common shares issued | shares | 23,537 | 1,950 | 1,896 | 103 | 277 | 368 | 367 | 283 | 353 | 412 | 38 | 113 | 400 | |||||||||||||||||
| Warrants term | 5 years 6 months | 5 years | 5 years | 3 years | 3 years | 3 years | 3 years | 3 years | 3 years | 4 years | 5 years | |||||||||||||||||||
| Exercise price of warrants | (per share) | $ 15 | $ 112.5 | $ 1,417.5 | $ 5,467.5 | $ 5,467.5 | $ 5,467.5 | $ 5,683.5 | $ 5,683.5 | $ 5,683.5 | $ 10,800 | $ 16,875 | $ 20.64 | $ 154.78 | $ 1,950.2 | $ 1,417.5 | $ 2,046.59 | $ 7,344 | $ 7,249.5 | $ 7,222.5 | $ 7,614 | $ 7,654.5 | $ 7,600.5 | $ 14,858.64 | $ 23,216.63 | ||||||
| Loss resulted from repricing of warrant | $ | $ 896,458 | |||||||||||||||||||||||||||||
| Agreed to reduce warrant issued | shares | 2,060 | 2,060 | ||||||||||||||||||||||||||||
| Derivative financial liabilities | $ | $ 1,824,411 | $ 1,824,411 | $ 30,564 | |||||||||||||||||||||||||||
| Shares issue related costs | $ | $ 0 | $ 0 | $ 479,228 | $ 149,472 | ||||||||||||||||||||||||||
| Warrant issued | ||||||||||||||||||||||||||||||
| Derivative liabilities | ||||||||||||||||||||||||||||||
| Number of warrants to purchase voting common shares issued | shares | 235,320 | |||||||||||||||||||||||||||||
| Warrants term | 5 years 6 months | |||||||||||||||||||||||||||||
| Exercise price of warrants | (per share) | $ 15 | $ 20.64 | ||||||||||||||||||||||||||||