XML 117 R69.htm IDEA: XBRL DOCUMENT
v3.26.1

(Loss) earnings per share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Profit or loss [abstract] |
Schedule of Earnings per share | Schedule of Earnings per share
|  | Year ended December 31, 2025 |
|  | Loss for the year |  |  | Basic and diluted - Weighted average number of ordinary shares outstanding |  |  | Basic and diluted - Loss per share (in dollars) |
Loss attributable to the parent |  | $ | (20,173,616 | ) |  |  | 16,365,798 |  |  | $ | (1.23 | )
|  | Year ended December 31, 2024 |
|  | Profit for the year |  |  | Basic and diluted - Weighted average number of ordinary shares outstanding |  |  | Basic and diluted - Earnings per share (in dollars) |
Profit attributable to the parent |  | $ | 1,104,213 |  |  |  | 15,762,887 |  |  | $ | 0.07 |
|  | Year ended December 31, 2023 |
|  | Profit for the year |  |  | Basic and diluted - Weighted average number of ordinary shares outstanding |  |  | Basic and diluted - Earnings per share (in dollars) |
Profit attributable to the parent |  | $ | 1,418,643 |  |  |  | 15,762,887 |  |  | $ | 0.09 |

X
- Definition Disclosure of earnings per share. + References No definition available. + Details
Name: | YMAT_DisclosureOfEarningsPerShare
Namespace Prefix: | YMAT_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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