XML 102 R66.htm IDEA: XBRL DOCUMENT
v3.22.4

Corporate information (Narrative) (Details) - $ / shares | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 28, 2022 | Sep. 30, 2020 | Sep. 30, 2022
Corporate Information [Abstract] |  |  |
Description of reverse stock split | KWESST effected a one for seventy (1-for-70) reverse stock split of its common stock on October 28, 2022 (the "Reverse Split"). |  |
Conversion rate for each warrant from one common share |  | $ 0.01428571 | $ 0.01428571

X
- Definition It represents as a conversion rate for each warrant from one common share. + References No definition available. + Details
Name: | kwe_ConversionRateForEachWarrantFromOneCommonShare
Namespace Prefix: | kwe_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | kwe_CorporateInformationAbstract
Namespace Prefix: | kwe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of reverse stock split information. + References No definition available. + Details
Name: | kwe_DescriptionOfReverseStockSplitInformation
Namespace Prefix: | kwe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration