1. The Company and Summary of Significant Accounting Policies (EUR €) (Details) - EUR (€) € in Thousands	Mar. 31, 2020	Dec. 31, 2019
Right-of-use asset	€ 205	€ 230
Operating lease liability (short-term)	102	102
Operating lease liability (long-term)	€ 103	128
As Originally Reported
Right-of-use asset		27
Operating lease liability (short-term)		0
Operating lease liability (long-term)		27
Adjustment
Right-of-use asset		203
Operating lease liability (short-term)		102
Operating lease liability (long-term)		€ 101