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Revenue - Schedule of revenue (Details) - CAD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2019
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | $ 861,917 | $ 721,519 | $ 1,275,804 | $ 509,148
Digitization [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 835,097 | 354,620 | 1,255,982 |
Non-Lethal [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 0 | 330,658 | 0 |
Training and services [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 0 | 34,590 | 0 |
Systems [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 835,097 |  |  | 472,749
Other [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 26,820 | 1,651 | 19,822 | $ 36,399
United States [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 835,097 | 389,210 | 1,238,063 |
Canada [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 26,820 | 332,309 | 37,741 |
Products and services transferred over time [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | 835,097 | 389,210 | 1,238,063 |
Products transferred at a point in time [Member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Revenue | $ 26,820 | $ 332,309 | $ 37,741 |

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