Quarterly report [Sections 13 or 15(d)]

Note 14 - Commitments and Contingencies (Details Textual)

v3.25.1
Note 14 - Commitments and Contingencies (Details Textual)
$ in Thousands
3 Months Ended
Apr. 16, 2025
USD ($)
Mar. 01, 2022
USD ($)
Oct. 15, 2012
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Purchase Obligation       $ 717 $ 1,263
Long-Term Purchase Commitment, Period (Year)       1 year  
Lessee, Operating Lease, Liability, to be Paid       $ 995  
License Agreements with Regents of the University of California [Member]          
Number Of License Agreements       2  
License Agreements with Regents of the University of California [Member] | Licensed Medical Devices [Member]          
Royalty Percentage       1.00%  
License Agreements with Regents of the University of California [Member] | Sub-license [Member]          
Royalty Percentage       21.00%  
License Agreements with Vanderbilt University [Member]          
Number Of License Agreements         2
License Agreements with Vanderbilt University [Member] | Licensed Patent Products [Member]          
Royalty Percentage 3.75% 3.75% 6.00%    
Royalty Expense $ 100 $ 100 $ 250    
License Agreements with Vanderbilt University [Member] | Licensed Patent Products [Member] | Minimum [Member]          
Royalty Expense $ 75 $ 75      
License Agreements with Vanderbilt University [Member] | Licensed Software Products [Member]          
Royalty Percentage     3.00%