XML 166 R126.htm IDEA: XBRL DOCUMENT
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Commitments - Additional Information (Detail) € in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2017 ft² | Jun. 30, 2017 ft² | Dec. 31, 2017 EUR (€) ft² m² Facilities | Dec. 31, 2017 USD ($) Facilities | May 31, 2017 USD ($) | Apr. 30, 2016 USD ($)
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | € 14,991 |  |  |
Other agreements [member] | Contract Research Organizations [Member] | Viaskin Peanuts And Viaskin Milk Products [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Launching value of clinical studies |  |  | 78,700 |  |  |
Remaining value of clinical studies |  |  | 32,600 |  |  |
Monetary market fund [member] | Other agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Sum of term deposit |  |  | € 227 |  |  |
Term deposit period |  |  | 3 years |  |  |
Property, plant and equipment subject to operating leases [member] | Letter of credit 1 [member] | Other agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments | $ |  |  |  | $ 164 | $ 300 | $ 143
Not Later Than One Year [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | € 2,617 |  |  |
Later Than One Year and Not Later Than Two Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 2,623 |  |  |
Later Than Two Years and Not Later Than Three Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 2,357 |  |  |
Later Than Three Years and Not Later Than Four Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 2,169 |  |  |
Office equipment and vehicles [member] | Not Later Than One Year [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 116 |  |  |
Office equipment and vehicles [member] | Later Than One Year and Not Later Than Two Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 77 |  |  |
Office equipment and vehicles [member] | Later Than Two Years and Not Later Than Three Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | 70 |  |  |
Office equipment and vehicles [member] | Later Than Three Years and Not Later Than Four Years [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Future rental payments |  |  | € 16 |  |  |
North america [member] | Rental agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Area of office and laboratory space | ft² | 3,780 | 3,913 |  |  |  |
Subleases expiration period |  |  | Jun. 30, 2017 |  |  |
Additional initial Period of sublease |  |  | 5 years |  |  |
Bagneux [member] | Monetary market fund [member] | Other agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Guarantee for ordinary rental agreements of the premises |  |  | € 300 |  |  |
Facility [member] | Rental agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Office and laboratory space | m² |  |  | 4,770 |  |  |
Number of facilities | Facilities |  |  | 2 | 2 |  |
Lease agreement date |  |  | Mar. 09, 2015 |  |  |
Leases expires period |  |  | Mar. 08, 2024 |  |  |
Second Facility [member] | Rental agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Office and laboratory space | m² |  |  | 2,237 |  |  |
Leases expires period |  |  | May 31, 2020 |  |  |
Commercial Facility [member] | Bottom of range [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Lease extension period |  |  | 2 years |  |  |
Commercial Facility [member] | Top of range [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Lease extension period |  |  | 5 years |  |  |
Commercial Facility [member] | Rental agreements [member] |  |  |  |  |  |
Disclosure of commitments [line items] |  |  |  |  |  |
Office and laboratory space | ft² |  |  | 8,919 |  |  |
Lease commenced period |  |  | Eight years and four months. |  |  |

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