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General and administrative expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
General and administrative expenses |  |  |
Personnel-related expenses | $ 5,010 | $ 3,800 | $ 1,474
Professional and consultant fees | 3,954 | 2,593 | 683
Insurance, facilities, fees and other related costs | 3,022 | 2,506 | 236
Share-based compensation expense | 2,138 | 3,119 | 326
Total general and administrative expenses | $ 14,124 | $ 12,018 | $ 2,719

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- Definition The amount of expense relating to general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The amount of fees paid or payable for professional services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | debit
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- Definition The amount of insurance, facilities, fees, and other related costs relating to general and administrative activities of the entity. + References No definition available. + Details
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- Definition The amount of personnel-related expenses relating to general and administrative activities of the entity. + References No definition available. + Details
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- Definition The amount of share-based compensation expense relating to general and administrative activities of the entity. + References No definition available. + Details
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Namespace Prefix: | lvtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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