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SEGMENT INFORMATION: Schedule of sales by country (Details) - USD ($) | 12 Months Ended
--- | ---
Aug. 31, 2022 | Aug. 31, 2021
Segment Reporting [Abstract] |  |
United States | $ 60,521,611 | $ 55,280,479
Canada | 1,151,901 | 1,556,359
Mexico/Latin America/Caribbean | 900,941 | 325,648
Europe | 94,630 | 171,254
Asia/Pacific | 232,748 | 167,803
Total sales by country | $ 62,901,831 | $ 57,501,543

X
- Definition Represents the monetary amount of Asia/Pacific sales, during the indicated time period. + References No definition available. + Details
Name: | jctcf_AsiaPacificSales
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Canada sales, during the indicated time period. + References No definition available. + Details
Name: | jctcf_CanadaSales
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Europe sales, during the indicated time period. + References No definition available. + Details
Name: | jctcf_EuropeSales
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Mexico/Latin America sales, during the indicated time period. + References No definition available. + Details
Name: | jctcf_MexicoLatinAmericaSales
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | jctcf_TotalSalesByCountry
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of United States sales, during the indicated time period. + References No definition available. + Details
Name: | jctcf_UnitedStatesSales
Namespace Prefix: | jctcf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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