Corporate Information And Statement Of Ifrs Compliance [Abstract]

OSE Immunotherapeutics - Filing #2816794

Concept	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31
Corporate information and statement of IFRS compliance [abstract]
Domicile of entity	—	France	—
Legal form of entity	—	Société anonyme de droit français à Conseil d’Administration	—
Country of incorporation	—	France	—
Address of entity's registered office	—	22 boulevard Benoni Goullin, 44200 Nantes	—
Principal place of business	—	Les équipes sont basées à Nantes et	—
Description of nature of entity's operations and principal activities	—	OSE Immunotherapeutics	—
Name of ultimate parent of group	—	OSE Immunotherapeutics	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block]	—	—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract]
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]
Current trade receivables	772,000 EUR	—	1 074 EUR
Current trade payables	9 607 EUR	—	10 286 EUR