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

Fair Value Measurement - Additional Information (Details)

v3.24.0.1
Fair Value Measurement - Additional Information (Details) - EUR (€)
1 Months Ended 5 Months Ended 12 Months Ended
Dec. 31, 2023
Nov. 27, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of fair value measurement of liabilities [abstract]          
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets     € 0 € 0 € 0
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets     0 0 0
Transfers into Level 3 of fair value hierarchy, assets     0 0  
Transfers out of Level 3 of fair value hierarchy, assets     0 0  
Increase in noncurrent secured notes related to senior secured convertible promissory note     3,182,000    
Accrued interest percentage 6.00% 5.00%      
Transfers into Level 3 of fair value hierarchy, liabilities     0 0 0
Transfers out of Level 3 of fair value hierarchy, liabilities     € 0 € 0 € 0