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General (Details) $ in Thousands	6 Months Ended
General (Details) $ in Thousands	Jun. 30, 2025 USD ($) patient designation site	Jun. 30, 2024 USD ($)	Apr. 28, 2025 site patient	Dec. 31, 2024 USD ($)
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Cash cash equivalents and restricted cash	$ 34,400			$ 32,400
Estimated Fair Value	46,584			$ 20,821
Net cash provided by (used in) operating activities	$ (9,496)	$ 14,035
HEPZATO KIT
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Number of orphan drug designations granted by FDA \| designation	6
Clinical trial, number of patients \| patient	90		90
Clinical trial, number of sites \| site	20		20
HEPZATO KIT, Melphalan
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Number of orphan drug designations granted by FDA \| designation	5
HEPZATO KIT, Doxorubicin
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Number of orphan drug designations granted by FDA \| designation	1
CHEMOSAT
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Product reimbursement period	2 years
Accounts payable, accrued expenses, current lease liabilities and current medac settlement
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Current capital commitments	$ 10,400
Lease liabilities
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Noncurrent capital commitments	1,200
Settlement of litigation with medac
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Noncurrent capital commitments	$ 600