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Note 3 - Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]

(In thousands)

 

2020

   

2019

 

Raw materials

  $ 2,855     $ 2,979  

Work in progress

    2,006       1,896  

Finished goods

    6,741       6,097  

Total

  $ 11,602     $ 10,972