Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Capital management - Additional Information (Detail)

v3.22.1
Capital management - Additional Information (Detail) - EUR (€)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Text Block [Abstract]    
Capital commitments € 0 € 0
EBITDA margin ratio 3.77% 25.84%
EBITDA € 3,600,000 € 15,300,000
Interest coverage 17.78 16.20