Annual report pursuant to Section 13 and 15(d)

Note 9 - Commitments and Contingencies (Details Textual)

v3.24.1
Note 9 - Commitments and Contingencies (Details Textual)
1 Months Ended
Jan. 31, 2023
USD ($)
ft²
May 31, 2022
USD ($)
Feb. 28, 2022
USD ($)
Dec. 31, 2023
USD ($)
Sep. 08, 2017
USD ($)
Operating Leases, Rent Expense, Net $ 4,238        
One Thousand Two Zero Two Square Feet [Member]          
Operating Leases, Rent Expense, Net     $ 2,379    
Area of Real Estate Property (Square Foot) | ft² 1,202        
Additional Office Space [Member]          
Operating Leases, Rent Expense, Net   $ 1,859      
XOMA Ltd. [Member] | Maximum [Member]          
Indefinite-Lived License Agreements       $ 14,925,000  
Onxeo [Member]          
License Agreement Fee         $ 1,000,000