Debt Financing (Details Narrative) - EUR (€) € in Thousands	Mar. 31, 2022	Apr. 02, 2020
Debt Financing
Received from federal credit line		€ 156
Total loans and notes	€ 68,027

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant