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License Agreements - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 07, 2023
Mar. 29, 2020
Jan. 31, 2022
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Research and development expense         $ 9,690,000 $ 9,698,000
Voting stock, value       $ 5,000 5,000 $ 2,000
Biocept Agreement [Member]            
Shares issued 53,381          
Research and development expense       75,000    
Payment for tech transfer and validation fee $ 300,000          
Option for exclusive worldwide license $ 1,000,000          
UTHSA License Agreement [Member]            
License fee payment in cash     $ 300,000      
Nano Tx Licenses Agreement [Member]            
License fee payment in cash   $ 400,000        
Voting stock, value   $ 300,000        
Percentage of non-dilutive monetary awards required to pay   15.00%        
Accrued payments due to NanoTx       $ 500,000 $ 500,000