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Revenue - Schedule of Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 20,563	$ 11,200	$ 64,503	$ 22,105
CHEMOSAT
Disaggregation of Revenue [Line Items]
Total revenue	1,310	1,163	4,727	3,490
HEPZATO KIT
Disaggregation of Revenue [Line Items]
Total revenue	$ 19,253	$ 10,037	$ 59,776	$ 18,615

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