XML 315 R103.htm IDEA: XBRL DOCUMENT
v3.25.1

Pensions (Details Narrative) | Dec. 31, 2024
--- | ---
Notes and other explanatory information [abstract] |
Subsidiaries contribute monthly an amount | 6.00%
Subsidiaries contribute monthly an amount equal | 13.00%

X
- Definition Subsidiaries contribute monthly an amount equal + References No definition available. + Details
Name: | YMAT_SubsidiariesContributeMonthlyAmountEqualPercentage
Namespace Prefix: | YMAT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Subsidiaries contribute monthly an amount equal. + References No definition available. + Details
Name: | YMAT_SubsidiariesContributeMonthlyAmountPercentage
Namespace Prefix: | YMAT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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