Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($)
Letters of credit | item	2
Impairment of long-lived assets	$ 0	$ 0
Impairment of in-process research and development	0	0
Goodwill, Impairment Loss	0	0
Other receivables	744	3,363
Grant
Other receivables	$ 700	$ 1,500