Annual report [Section 13 and 15(d), not S-K Item 405]

Note 11 - Commitments and Contingencies (Details Textual)

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Note 11 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Research and Development Contracts [Member]    
Contractual Obligation $ 19,300  
Contractual Obligation, to be Paid, Year One 14,500  
Contractual Obligation, to be Paid, Year Two 4,800  
Indemnification Agreements [Member]    
Contractual Obligation $ 0 $ 0