XML 95 R55.htm IDEA: XBRL DOCUMENT v3.8.0.1

Accounting Principles - Summary of Depreciation Periods (Detail)	12 Months Ended
	Dec. 31, 2017
Fixtures and improvements in structures [member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation periods	9 years
Research and development / production tools [member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation periods	5 years
Research equipment and technical facilities [member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation periods	5 years
Computer equipment [member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation periods	3 years
Office equipment and furniture [member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation periods	5 years

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

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The useful lives or depreciation rates used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2017-01-01
-Paragraph 73
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_c&doctype=Standard
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
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Period Type:	duration

X

- Details

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Namespace Prefix:
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X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=dbvt_ResearchAndDevelopmentMember
Namespace Prefix:
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Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=dbvt_ResearchEquipmentAndTechnicalFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: