Quarterly report [Sections 13 or 15(d)]

Related Party Transactions (Board Services Agreement) (Details)

v3.25.1
Related Party Transactions (Board Services Agreement) (Details) - Caribe BioAdvisors - USD ($)
1 Months Ended 3 Months Ended
Jan. 31, 2017
Dec. 31, 2016
Mar. 31, 2025
Mar. 31, 2024
Mustang | Board services agreement        
Related Party Transactions        
Advisory fees $ 60,000   $ 15,000 $ 15,000
Checkpoint | Board services agreement        
Related Party Transactions        
Advisory fees   $ 60,000 32,000 27,000
Checkpoint | Common Stock        
Related Party Transactions        
Advisory fees     $ 17,000 $ 12,000