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

Capital management - Additional Information (Detail)

v3.22.2.2
Capital management - Additional Information (Detail) - EUR (€)
6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Text Block [Abstract]        
Capital commitments     € 0 € 0
EBITDA margin ratio 5.63% 12.92% 3.77% 25.84%
EBITDA € 7,000,000 € 8,000,000 € 3,600,000 € 15,300,000
Interest coverage 21.7 13.57 17.78 16.2