XML 176 R128.htm IDEA: XBRL DOCUMENT
v3.26.1

Schedule of purchase of goods (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |  |
Total Purchase of goods | $ 4,757,080 | $ 11,505,167 | $ 14,427,502
YMA DG [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total Purchase of goods | 4,757,080 | 11,505,167 | 10,438,247
Forwell [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total Purchase of goods |  |  | $ 3,989,255

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

X
- Definition Purchase of goods. + References No definition available. + Details
Name: | YMAT_PurchaseOfGoods
Namespace Prefix: | YMAT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=YMAT_YMADGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=YMAT_ForwellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |