XML 62 R38.htm IDEA: XBRL DOCUMENT
v3.21.1

Inventories (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Inventories |
Schedule of inventories |
|  | As of
|  | December 31,
(in thousands of euros) |  | 2018 |  | 2019 |  | 2020
Laboratory inventories |  | 443 |  | 420 |  | 353
Inventories write‑down |  | (33) |  | (33) |  | (33)
Total inventories |  | 410 |  | 387 |  | 320

X
- References No definition available. + Details
Name: | ifrs-full_ClassesOfInventoriesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References No definition available. + Details
Name: | iva_IfrsScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | iva_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration