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Summary of Significant Accounting Policies (Revenue Recognition) (Narrative) (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
One collaboration partner [Member] | Customer Concentration Risk [Member] | Revenue [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	98.00%	73.00%	72.00%

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