XML 74 R38.htm IDEA: XBRL DOCUMENT
v3.22.4

Significant accounting policies (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2022
Disclosure Of Significant Accounting Policies [Abstract] |  |
Disclosure of detailed information about estimated useful lives of property and equipment [Table Text Block] |
Property and equipment | Rate
Computer equipment | 5 years
Computer software | 3 years
Office furniture and equipment | 5 years
R&D equipment | 5 years
Leasehold improvements | Shorter of useful life or remaining term of lease
| Rate
Computer equipment | 3 years
Computer software | 3 years
Office furniture and equipment | 5 years
Low-rate initial production equipment | 5 years
R&D equipment | 5 years
Sales demo equipment | 2 years
Leasehold improvements | Shorter of useful life or remaining term of lease

X
- Definition Tabular disclosure of estimated useful lives explanatory. + References No definition available. + Details
Name: | kwe_DisclosureOfDetailedInformationAboutEstimatedUsefulLivesExplanatory
Namespace Prefix: | kwe_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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