XML 98 R50.htm IDEA: XBRL DOCUMENT
v3.26.1

Inventories, net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Notes and other explanatory information [abstract] |
Schedule of inventories | Schedule of inventories
|  | As of December 31, 2025 |
|  | Cost |  |  | Allowance for valuation loss |  |  | Book value |
Merchandise inventory: |  |  |  |  |  |  |  |  |  |  |  |
Raw materials |  | $ | 522,432 |  |  | $ | (6,747 | ) |  | $ | 515,685 |
Work in progress |  |  | 19,491 |  |  |  | (14 | ) |  |  | 19,477 |
Finished goods |  |  | 521,722 |  |  |  | (26,516 | ) |  |  | 495,206 |
|  | $ | 1,063,645 |  |  | $ | (33,277 | ) |  | $ | 1,030,368 |
Schedule of cost of inventories | The cost of inventories recognized for the year: Schedule of cost of inventories
|  | Year ended |  |  | Year ended |  |  | Year ended |
|  | December 31,2025 |  |  | December 31, 2024 |  |  | December 31, 2023 |
Cost of goods sold |  | $ | 4,540,840 |  |  | $ | 11,921,857 |  |  | $ | 20,893,411 |
provision (reversal) for allowance for valuation loss |  |  | 19,513 |  |  |  | 11,324 |  |  |  | (37,569 | )
Cost of inventories |  | $ | 4,560,353 |  |  | $ | 11,933,181 |  |  | $ | 20,855,842 |

X
- Definition Disclosure of detailed information of inventories recognized explanatory. + References No definition available. + Details
Name: | YMAT_DisclosureOfDetailedInformationOfInventoriesRecognizedExplanatory
Namespace Prefix: | YMAT_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of inventories information explanatory. + References No definition available. + Details
Name: | YMAT_DisclosureOfInventoriesInformationExplanatory
Namespace Prefix: | YMAT_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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