Quarterly report pursuant to Section 13 or 15(d)

Asset Purchase Agreements (Narrative) (Details)

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Asset Purchase Agreements (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended
Jul. 28, 2023
Dec. 30, 2022
May 31, 2024
Jan. 31, 2024
Mar. 31, 2024
Sale of stock, number of shares issued   4,900,000      
Sale of Stock, Consideration Received on Transaction   $ 150.0      
Avenue | InvaGen          
Payments of milestones       $ 0.3  
Percentage of contingent fee payable         7.50%
Contingent fee payable from proceeds of future financing         $ 4.0
Mustang          
Asset acquisition, minimum commitment amount $ 8.0        
Asset acquisition, minimum commitment amount payment, term 2 years        
Asset acquisition, minimum commitment amount paid, percentage 25.00%        
Mustang | UBriGene          
Consideration Transferred $ 6.0        
Loss on sale of asset 1.5        
Transaction Related Expenses $ 0.3        
Subsequent events | Avenue | InvaGen          
Payments of milestones     $ 0.3