Notes to the Profit or Loss Statement - Summary of Satisfaction of Performance Obligations (Details) - EUR (€)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Satisfaction of Performance Obligations [Line Items]
Revenues	€ 238,278,313	€ 278,267,003	€ 179,611,844
At a Point in Time
Satisfaction of Performance Obligations [Line Items]
Revenues	223,251,000	258,831,000	159,843,000
Over Time
Satisfaction of Performance Obligations [Line Items]
Revenues	€ 15,028,000	€ 19,437,000	€ 19,769,000

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details