XML 142 R102.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Share-Based Payments - Summary of Details of Share Based Payment Arrangement BSA 2010 (Detail) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 22, 2011 EUR (€) € / shares shares | Jun. 24, 2011 EUR (€) € / shares shares | Jan. 28, 2011 EUR (€) € / shares shares | Dec. 31, 2017 | Dec. 15, 2017 | Dec. 05, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Plan expiration date |  |  |  |  | 12/15/2027 | 12/05/2027 |  |
Number of options granted |  |  |  |  | 8,300 | 625,200 |  |
BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  | 1 year 6 months |  |  |  |  |  |
Plan expiration date |  | Nov. 22, 2021 |  |  |  |  |  |
Number of options granted |  | 2,000 |  | 0 |  |  | 0 | 0
Share entitlement per BSA | shares |  | 15 |  |  |  |  |  |
Exercise price (in euros) |  | 77 |  |  |  |  |  |
Grant date share fair value (in euros) | € |  | € 77 |  |  |  |  |  |
Expected volatility |  | 40.00% |  |  |  |  |  |
Average life of BSA (in years) |  | 0 |  |  |  |  |  |
Discount rate |  | 2.68% |  |  |  |  |  |
Expected dividends |  | 0.00% |  |  |  |  |  |
Performance conditions |  | NA |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  | € 32.70 |  |  |  |  |  |
Not Later Than One Year [member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) | 1 year |  |  |  |  |  |  |
Plan expiration date | Nov. 22, 2021 |  |  |  |  |  |  |
Number of options granted | 335 |  |  |  |  |  |  |
Share entitlement per BSA | shares | 15 |  |  |  |  |  |  |
Exercise price (in euros) | 77 |  |  |  |  |  |  |
Grant date share fair value (in euros) | € | € 77 |  |  |  |  |  |  |
Expected volatility | 40.00% |  |  |  |  |  |  |
Average life of BSA (in years) | 0 |  |  |  |  |  |  |
Discount rate | 2.23% |  |  |  |  |  |  |
Expected dividends | 0.00% |  |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares | € 30.70 |  |  |  |  |  |  |
Later Than One Year and Not Later Than Two Years [member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) | 2 years |  |  |  |  |  |  |
Plan expiration date | Nov. 22, 2021 |  |  |  |  |  |  |
Number of options granted | 335 |  |  |  |  |  |  |
Share entitlement per BSA | shares | 15 |  |  |  |  |  |  |
Exercise price (in euros) | 77 |  |  |  |  |  |  |
Grant date share fair value (in euros) | € | € 77 |  |  |  |  |  |  |
Expected volatility | 40.00% |  |  |  |  |  |  |
Average life of BSA (in years) | 0 |  |  |  |  |  |  |
Discount rate | 2.60% |  |  |  |  |  |  |
Expected dividends | 0.00% |  |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares | € 32.58 |  |  |  |  |  |  |
Later Than Two Years and Not Later Than Three Years [member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) | 3 years |  |  |  |  |  |  |
Plan expiration date | Nov. 22, 2021 |  |  |  |  |  |  |
Number of options granted | 334 |  |  |  |  |  |  |
Share entitlement per BSA | shares | 15 |  |  |  |  |  |  |
Exercise price (in euros) | 77 |  |  |  |  |  |  |
Grant date share fair value (in euros) | € | € 77 |  |  |  |  |  |  |
Expected volatility | 40.00% |  |  |  |  |  |  |
Average life of BSA (in years) | 0 |  |  |  |  |  |  |
Discount rate | 2.60% |  |  |  |  |  |  |
Expected dividends | 0.00% |  |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares | € 33.89 |  |  |  |  |  |  |
Later Than Three Years and Not Later Than Four Years [member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) | 4 years |  |  |  |  |  |  |
Plan expiration date | Nov. 22, 2021 |  |  |  |  |  |  |
Number of options granted | 334 |  |  |  |  |  |  |
Share entitlement per BSA | shares | 15 |  |  |  |  |  |  |
Exercise price (in euros) | 77 |  |  |  |  |  |  |
Grant date share fair value (in euros) | € | € 77 |  |  |  |  |  |  |
Expected volatility | 40.00% |  |  |  |  |  |  |
Average life of BSA (in years) | 0 |  |  |  |  |  |  |
Discount rate | 2.85% |  |  |  |  |  |  |
Expected dividends | 0.00% |  |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares | € 35.54 |  |  |  |  |  |  |
Zero Point Nine Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  |  | 10 months 25 days |  |  |  |  |
Plan expiration date |  |  | Jan. 27, 2021 |  |  |  |  |
Number of options granted |  |  | 2,510 |  |  |  |  |
Share entitlement per BSA | shares |  |  | 15 |  |  |  |  |
Exercise price (in euros) |  |  | 77 |  |  |  |  |
Grant date share fair value (in euros) | € |  |  | € 77 |  |  |  |  |
Expected volatility |  |  | 40.00% |  |  |  |  |
Average life of BSA (in years) |  |  | 0 |  |  |  |  |
Discount rate |  |  | 2.70% |  |  |  |  |
Expected dividends |  |  | 0.00% |  |  |  |  |
Performance conditions |  |  | NA |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  |  | € 31.33 |  |  |  |  |
One Point Nine Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  |  | 1 year 10 months 25 days |  |  |  |  |
Plan expiration date |  |  | Jan. 27, 2021 |  |  |  |  |
Number of options granted |  |  | 2,510 |  |  |  |  |
Share entitlement per BSA | shares |  |  | 15 |  |  |  |  |
Exercise price (in euros) |  |  | 77 |  |  |  |  |
Grant date share fair value (in euros) | € |  |  | € 77 |  |  |  |  |
Expected volatility |  |  | 40.00% |  |  |  |  |
Average life of BSA (in years) |  |  | 0 |  |  |  |  |
Discount rate |  |  | 2.82% |  |  |  |  |
Expected dividends |  |  | 0.00% |  |  |  |  |
Performance conditions |  |  | NA |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  |  | € 32.90 |  |  |  |  |
Two point Nine Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  |  | 2 years 10 months 25 days |  |  |  |  |
Plan expiration date |  |  | Jan. 27, 2021 |  |  |  |  |
Number of options granted |  |  | 2,510 |  |  |  |  |
Share entitlement per BSA | shares |  |  | 15 |  |  |  |  |
Exercise price (in euros) |  |  | 77 |  |  |  |  |
Grant date share fair value (in euros) | € |  |  | € 77 |  |  |  |  |
Expected volatility |  |  | 40.00% |  |  |  |  |
Average life of BSA (in years) |  |  | 0 |  |  |  |  |
Discount rate |  |  | 2.82% |  |  |  |  |
Expected dividends |  |  | 0.00% |  |  |  |  |
Performance conditions |  |  | NA |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  |  | € 34.23 |  |  |  |  |
Three Point Nine Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  |  | 3 years 10 months 25 days |  |  |  |  |
Plan expiration date |  |  | Jan. 27, 2021 |  |  |  |  |
Number of options granted |  |  | 2,509 |  |  |  |  |
Share entitlement per BSA | shares |  |  | 15 |  |  |  |  |
Exercise price (in euros) |  |  | 77 |  |  |  |  |
Grant date share fair value (in euros) | € |  |  | € 77 |  |  |  |  |
Expected volatility |  |  | 40.00% |  |  |  |  |
Average life of BSA (in years) |  |  | 0 |  |  |  |  |
Discount rate |  |  | 3.04% |  |  |  |  |
Expected dividends |  |  | 0.00% |  |  |  |  |
Performance conditions |  |  | NA |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  |  | € 35.84 |  |  |  |  |
Zero Point Five Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  | 6 months |  |  |  |  |  |
Plan expiration date |  | Nov. 22, 2021 |  |  |  |  |  |
Number of options granted |  | 2,000 |  |  |  |  |  |
Share entitlement per BSA | shares |  | 15 |  |  |  |  |  |
Exercise price (in euros) |  | 77 |  |  |  |  |  |
Grant date share fair value (in euros) | € |  | € 77 |  |  |  |  |  |
Expected volatility |  | 40.00% |  |  |  |  |  |
Average life of BSA (in years) |  | 0 |  |  |  |  |  |
Discount rate |  | 2.55% |  |  |  |  |  |
Expected dividends |  | 0.00% |  |  |  |  |  |
Performance conditions |  | NA |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  | € 31.15 |  |  |  |  |  |
Two Point Five Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  | 2 years 6 months |  |  |  |  |  |
Plan expiration date |  | Nov. 22, 2021 |  |  |  |  |  |
Number of options granted |  | 2,000 |  |  |  |  |  |
Share entitlement per BSA | shares |  | 15 |  |  |  |  |  |
Exercise price (in euros) |  | 77 |  |  |  |  |  |
Grant date share fair value (in euros) | € |  | € 77 |  |  |  |  |  |
Expected volatility |  | 40.00% |  |  |  |  |  |
Average life of BSA (in years) |  | 0 |  |  |  |  |  |
Discount rate |  | 2.68% |  |  |  |  |  |
Expected dividends |  | 0.00% |  |  |  |  |  |
Performance conditions |  | NA |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  | € 34.02 |  |  |  |  |  |
Three point Five Year [Member] | BSA2010 [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period (years) |  | 3 years 6 months |  |  |  |  |  |
Plan expiration date |  | Nov. 22, 2021 |  |  |  |  |  |
Number of options granted |  | 2,000 |  |  |  |  |  |
Share entitlement per BSA | shares |  | 15 |  |  |  |  |  |
Exercise price (in euros) |  | 77 |  |  |  |  |  |
Grant date share fair value (in euros) | € |  | € 77 |  |  |  |  |  |
Expected volatility |  | 40.00% |  |  |  |  |  |
Average life of BSA (in years) |  | 0 |  |  |  |  |  |
Discount rate |  | 2.87% |  |  |  |  |  |
Expected dividends |  | 0.00% |  |  |  |  |  |
Performance conditions |  | NA |  |  |  |  |  |
Fair value per BSA (in euros) | € / shares |  | € 35.57 |  |  |  |  |  |

X
- Definition Number of shares entitled. + References No definition available. + Details
Name: | dbvt_NumberOfSharesEntitled
Namespace Prefix: | dbvt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Performance conditions. + References No definition available. + Details
Name: | dbvt_PerformanceConditions
Namespace Prefix: | dbvt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Payment Arrangement Fair Value Per Share Granted + References No definition available. + Details
Name: | dbvt_ShareBasedPaymentArrangementFairValuePerShareGranted
Namespace Prefix: | dbvt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based payment arrangement options granted discount rate. + References No definition available. + Details
Name: | dbvt_ShareBasedPaymentArrangementOptionsGrantedDiscountRate
Namespace Prefix: | dbvt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based payment arrangement plan expiration period. + References No definition available. + Details
Name: | dbvt_ShareBasedPaymentArrangementPlanExpirationDate
Namespace Prefix: | dbvt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based payment arrangement share options vesting period. + References No definition available. + Details
Name: | dbvt_ShareBasedPaymentArrangementShareOptionsVestingPeriod
Namespace Prefix: | dbvt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The option life of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DescriptionOfOptionLifeShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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 percentage of an expected dividend used to calculate the fair value of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) exercised or vested 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_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_b_ii&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_b&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_ZeroPointNineYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_OnePointNineYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_TwoPointNineYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_ThreePointNineYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_ZeroPointFiveYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_TwoPointFiveYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=dbvt_ThreePointFiveYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |