XML 131 R91.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Share-Based Payments - Schedule of Breakdown of the Closing Balance BSA (Detail) | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 181,008 | 147,359 | 143,694 |
Exercisable | 181,008 | 147,359 | 53,859 |
Bons de souscriptiond actions two thousand ten [Member] | Exercise price 65 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding |  | 859 | 859 |
Exercisable |  | 859 | 859 |
Bons de souscriptiond actions two thousand ten [Member] | Exercise price 5.13 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding |  |  | 89,835 |
Bons de souscriptiond actions two thousand ten [Member] | Exercise price 8.59 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 7,500 | 10,000 | 10,000 |
Exercisable | 7,500 | 10,000 | 10,000 |
Bons de souscriptiond actions two thousand ten [Member] | Exercise price 8.1 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 9,500 | 13,000 | 13,000 |
Exercisable | 9,500 | 13,000 | 13,000 |
Bons de souscriptiond actions two thousand ten [Member] | Exercise price18.79 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 2,500 | 5,000 | 5,000 |
Exercisable | 2,500 | 5,000 | 5,000 |
BSA [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 181,008 | 147,359 | 143,694 | 196,480
BSA [Member] | Exercise price 43.00 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 10,000 | 10,000 | 10,000 |
Exercisable | 10,000 | 10,000 | 10,000 |
BSA [Member] | Exercise price 66.06 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 15,000 | 15,000 | 15,000 |
Exercisable | 15,000 | 15,000 | 15,000 |
BSA [Member] | Exercise price 64.14 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 73,500 | 73,500 |  |
Exercisable | 73,500 | 73,500 |  |
BSA [Member] | Exercise price 52.97 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 20,000 | 20,000 |  |
Exercisable | 20,000 | 20,000 |  |
BSA [Member] | Exercise price 69.75 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 34,008 |  |  |
Exercisable | 34,008 |  |  |
BSA [Member] | Exercise price 59.05 [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Outstanding | 9,000 |  |  |
Exercisable | 9,000 |  |  |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) exercisable in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=dbvt_BonsDeSouscriptiondActionsTwoThousandTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=dbvt_BonsDeSouscriptiondActionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=dbvt_ExercisePriceTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |