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SIGNIFICANT ACCOUNTING POLICIES (Details)	Aug. 31, 2023
Minimum [Member] | Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	3 years
Minimum [Member] | Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	2 years
Minimum [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	5 years
Maximum [Member] | Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	7 years
Maximum [Member] | Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	10 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful life	30 years

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- Details

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X

- Details

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X

- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=jctcf_BuildingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: