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Fair value measurement - Conversion option (Details) $ in Thousands | Jun. 30, 2023 USD ($) Y | Dec. 31, 2022 USD ($) | May 24, 2022 $ / shares Y | May 06, 2022 USD ($) $ / shares Y | Jan. 01, 2022 USD ($)
--- | --- | --- | --- | --- | ---
Assumptions used for valuation |  |  |  |  |
Conversion option recognised as derivative liability | $ | $ 77,655 | $ 7,443 |  |  | $ 8,440
Holding period |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities | Y | 5 |  |  |  |
Risk-free rate |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities | 0.0393 |  |  |  |
Expected volatility |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities | 0.5394 |  |  |  |
Conversion option |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Conversion option recognised as derivative liability | $ |  |  |  | $ 8 |
Initial Measurement | Underlying value |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  |  | 0.80 |
Initial Measurement | Exercise price |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  |  | 1.50 |
Initial Measurement | Holding period |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities | Y |  |  |  | 0.40 |
Initial Measurement | Risk-free rate |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  |  | 0.0118 |
Initial Measurement | Expected volatility |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  |  | 0.5535 |
Final Measurement | Underlying value |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  | 0.60 |  |
Final Measurement | Exercise price |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  | 1.50 |  |
Final Measurement | Holding period |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities | Y |  |  | 0.35 |  |
Final Measurement | Risk-free rate |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  | 0.0125 |  |
Final Measurement | Expected volatility |  |  |  |  |
Assumptions used for valuation |  |  |  |  |
Significant unobservable input, liabilities |  |  | 0.5957 |  |

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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The value of significant unobservable input used in the measurement of the fair value of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_d&doctype=Standard -URIDate 2023-03-23 + Details
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