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License Agreements - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 29, 2020
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Sep. 07, 2023
Research and development expense   $ 2,773,000 $ 1,420,000 $ 5,536,000 $ 4,403,000    
Voting stock, value   6,000   6,000   $ 5,000  
Biocept Agreement [Member]              
Shares issued             53,381
Research and development expense       75,000      
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