Significant Events and Transactions - Additional Information (Detail) - € / shares	Jul. 31, 2023	Jun. 30, 2024
American Depositary Shares [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares Issued, Price Per Share		€ 0.1
Minimum [Member] | ViaskinTM Clinical Program For Children Aged Between Four to Eleven [Member] | Comfort Children Safety Study [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Age Of Child	4 years
Period for which the study shall be carried out	4 months
Maximum [Member] | ViaskinTM Clinical Program For Children Aged Between Four to Eleven [Member] | Comfort Children Safety Study [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Age Of Child	7 years
Period for which the study shall be carried out	7 years