CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - EUR (€) € in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flow from Operating Activities
Net loss	€ (9,546)	€ (2,553)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	6	8
Goodwill impairment	6,671	0
Gain on sales of equipment	(75)	0
Changes in operating assets and liabilities
Receivables	20	(39)
Accrued interest on convertible notes payable	1,215	1,557
Accrued interest on non-convertible notes payable	134	105
Accounts payable	446	31
Deferred grant	0	15
Other	47	52
Net cash used in operating activities	(1,082)	(824)
Cash Flows from Investing Activities
Proceeds from sale of equipment	92	0
Purchase of property and equipment	0	(2)
Net cash used in investing activities	92	(2)
Cash Flows from Financing Activities
Repayments of federal bank loan	(12)	0
Proceeds from issuance of non-convertible notes	1,100	600
Net cash provided by financing activities	1,088	600
Effect on foreign exchange rate on cash	(9)	5
Net change in cash	89	(221)
Cash, beginning of period	313	571
Cash, end of period	402	350
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest	0	0
Cash paid for taxes	€ 0	€ 0