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Related Party Transactions - Additional Information (Details) - USD ($)		12 Months Ended
	Apr. 12, 2022	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Due to related parties		$ 9,081,239
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.
Due to related parties		$ 9,100,000
Initial public offering, net of offering costs, shares		5,451,958
Percentage value of common stock sold in initial public offering		80.00%
Percentage of computation of interest		8.00%
Agenus Inc \| Operating Expenses
Related Party Transaction [Line Items]
Expenses from transactions with related party		$ 2,000,000.0	$ 2,400,000
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		$ 157,000
Atlant Clinical Ltd \| Research and Development
Related Party Transaction [Line Items]
Clinical research services		106,500
Wolf, Greenfield & Sachs, P.C.
Related Party Transaction [Line Items]
Legal services fee		$ 343,000	$ 82,000