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Related Party Transactions - Additional Information (Details) - USD ($)		1 Months Ended	12 Months Ended
	Apr. 12, 2022	Jan. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Due to related parties			$ 11,157,073	$ 9,081,239
Number of shares options, granted			1,002,743
Related Party
Related Party Transaction [Line Items]
Due to related parties			$ 11,200,000
Agenus Inc
Related Party Transaction [Line Items]
Period of license agreement			3 years
Terminate license agreement period			90 days
Period for breach of payment obligations			45 days
Related party transaction, description			The Company may terminate the New Assignment and License Agreement without cause upon 90 days’ prior written notice to Agenus. Either party may terminate if they believe there has been a material breach which has not been cured within 90 days (or 45 days for breach of payment obligations) of receiving such notice.
Intercompany allocation included in expense			$ 1,000,000	2,000,000
Agenus Inc \| New Intercompany Service Agreement
Related Party Transaction [Line Items]
Percentage of service cost			10.00%
Service agreement notice period			60 days
Agenus Inc \| Individual Services
Related Party Transaction [Line Items]
Service agreement notice period			30 days
Agenus Inc \| Business Services and Occupancy Costs
Related Party Transaction [Line Items]
Percentage of service cost			105.00%
Agenus Inc \| Research Services
Related Party Transaction [Line Items]
Percentage of service cost			110.00%
Atlant Clinical Ltd
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 250,000
Work order received from related party			$ 167,000
Atlant Clinical Ltd \| Research and Development
Related Party Transaction [Line Items]
Clinical research services			30,500	106,500
Wolf, Greenfield & Sachs, P.C.
Related Party Transaction [Line Items]
Legal services fee			$ 225,000	$ 343,000
Dr. Buell
Related Party Transaction [Line Items]
Compensation paid		$ 150,000
Stock Options \| Dr. Buell
Related Party Transaction [Line Items]
Number of shares options, granted		750,000