XML 178 R130.htm IDEA: XBRL DOCUMENT v3.26.1

Schedule of Long term receivables from related parties (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
IfrsStatementLineItems [Line Items]
Long-term Receivables from related parties		$ 8,300,723
YMA DG [member]
IfrsStatementLineItems [Line Items]
Long-term Receivables from related parties		6,068,347
Forwell [member]
IfrsStatementLineItems [Line Items]
Long-term Receivables from related parties		$ 2,232,376

X

- References

No definition available.

+ Details

Name:	YMAT_IfrsStatementLineItems
Namespace Prefix:	YMAT_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of non-current receivables due from related parties. [Refer: Total for all related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 78
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NoncurrentReceivablesDueFromRelatedParties
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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: