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Other Current Assets - Summary of Research Tax Credit (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2024 USD ($)
Research Tax Credit Receivable [Roll Forward] |
Opening research tax credit receivable as of January 1, 2024 | $ 8,857
+ Operating income | 3,640
- Payment received | (2,985)
= - Adjustment and currency translation effect | 137
Closing research tax credit receivable as of September 30, 2024 | 9,649
Of which - Non-current portion | 0
Of which - Current portion | $ 9,649

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- Definition Research tax credit adjustment and currency translation effect. + References No definition available. + Details
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- Definition Research tax credit current. + References No definition available. + Details
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Namespace Prefix: | dbvt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Research tax credit, non current. + References No definition available. + Details
Name: | dbvt_ResearchTaxCreditNonCurrent
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Balance Type: | debit
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- Definition Reverse tax credit operating revenue. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Research tax credit payment received. + References No definition available. + Details
Name: | dbvt_ResearchTaxCreditPaymentReceived
Namespace Prefix: | dbvt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Research tax credit receivable. + References No definition available. + Details
Name: | dbvt_ResearchTaxCreditReceivable
Namespace Prefix: | dbvt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Research Tax Credit Receivable + References No definition available. + Details
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Namespace Prefix: | dbvt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration