XML 345 R133.htm IDEA: XBRL DOCUMENT v3.25.1

Significant contingent liabilities and unrecognized contract commitments (Details Narrative)	Jun. 01, 2022 USD ($)	Jun. 01, 2022 TWD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 TWD ($)
Notes and other explanatory information [abstract]
Acquire building	$ 3,917,368	$ 128,000,000
Deposit percentage			10.00%	10.00%
Deposit remaining percentage			90.00%	90.00%
Deposit remaining amount			$ 3,525,631	$ 115,200,000

X

- Definition

Deposit percentage.

+ References

No definition available.

+ Details

Name:	YMAT_DepositPercentage
Namespace Prefix:	YMAT_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Deposit remaining amount.

+ References

No definition available.

+ Details

Name:	YMAT_DepositRemainingAmount
Namespace Prefix:	YMAT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Deposit remaining percentage.

+ References

No definition available.

+ Details

Name:	YMAT_DepositRemainingPercentage
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

X

- Definition

The amount of expense relating to property management. Property is land or a building - or part of a building - or both.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PropertyManagementExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration