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Note 15 - Related Party Transactions (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
   

Three Months Ended March 31,

 

(in thousands)

 

2024

   

2023

 

Product revenue from related parties

  $ 43     $ 63  

Royalty revenue from related parties

    29       43  

Total revenue from related parties

  $ 72     $ 106