Income Taxes (Details 3)	Dec. 31, 2021 EUR (€)
Switzerland
Net operating loss carry forwards	€ 244,000
Switzerland | 2026
Net operating loss carry forwards	0
Switzerland | Perpetual
Net operating loss carry forwards	0
Switzerland | 2022
Net operating loss carry forwards	0
Switzerland | 2023
Net operating loss carry forwards	0
Switzerland | 2024
Net operating loss carry forwards	66,000
Switzerland | 2025
Net operating loss carry forwards	0
Switzerland | 2027 - 2039
Net operating loss carry forwards	178,000
The Netherlands
Net operating loss carry forwards	5,417,000
The Netherlands | 2026
Net operating loss carry forwards	1,005,000
The Netherlands | Perpetual
Net operating loss carry forwards	0
The Netherlands | 2022
Net operating loss carry forwards	0
The Netherlands | 2023
Net operating loss carry forwards	43,000
The Netherlands | 2024
Net operating loss carry forwards	0
The Netherlands | 2025
Net operating loss carry forwards	731,000
The Netherlands | 2027 - 2039
Net operating loss carry forwards	3,638,000
United States
Net operating loss carry forwards	86,035,000
United States | 2026
Net operating loss carry forwards	1,861,000
United States | Perpetual
Net operating loss carry forwards	3,817,000
United States | 2022
Net operating loss carry forwards	1,919,000
United States | 2023
Net operating loss carry forwards	1,278,000
United States | 2024
Net operating loss carry forwards	1,325,000
United States | 2027 - 2039
Net operating loss carry forwards	74,743,000
United States | 2025
Net operating loss carry forwards	€ 1,492,000