v3.25.4
Note 3 - Inventories (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

December 31,

 
   

2025

   

2024

 
                 

Raw materials

  $ 9,454,000     $ 10,948,000  

Work in process

    4,468,000       2,934,000  

Finished goods

    9,676,000       8,851,000  
Total inventory   $ 23,598,000     $ 22,733,000