Post-effective amendment to a registration statement that is not immediately effective upon filing

Cash and cash equivalents - Schedule of Cash And Cash Equivalents (Detail)

v3.22.2.2
Cash and cash equivalents - Schedule of Cash And Cash Equivalents (Detail) - EUR (€)
€ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of Cash and cash equivalents [Abstract]            
Cash at bank   € 24,652   € 8,274    
Total € 29,775 € 24,652 € 6,010 € 8,274 € 21,277 € 1,211