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v3.23.1

Income tax (Schedule of Expiring Dates for Tax Losses) (Details) | Dec. 31, 2022 USD ($)
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2023 |
Disclosure Of Income tax [Line Items] |
Tax losses | $ 994,000
2024 |
Disclosure Of Income tax [Line Items] |
Tax losses | 4,757,000
2025 |
Disclosure Of Income tax [Line Items] |
Tax losses | 3,285,000
2026 |
Disclosure Of Income tax [Line Items] |
Tax losses | 10,496,000
2027 |
Disclosure Of Income tax [Line Items] |
Tax losses | $ 4,533,000

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