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Note 4 - Inventory (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]

(In thousands)

 

2021

  

2020

 

Raw materials

 $11,805  $2,855 

Work in progress

  4,194   2,006 

Finished goods

  9,867   6,741 

Total

 $25,866  $11,602