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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

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