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Retirement benefit obligation (Details Narrative) - EUR (€)
6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Retirement Benefits [Abstract]    
Annual accrual The annual accrual is approximately 7% of total pay, with no ceiling, and is revalued each year by applying a pre-established rate of return of 1.50%, plus 75% of the Consumer Price Index, and is recorded by a book reserve  
Annual accrual percentage 7.00%  
Obligation amount € 293,649 € 227,767