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Note 5 - Inventory (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

  

December 31,

 
  

2022

  

2021

 

Raw materials

 $5,269  $5,658 

Work-in-process

  10,434   9,669 

Finished goods

  694   709 

Total Inventory

 $16,397  $16,036 

Reserves

  (253)  (245)

Total Inventory, net

 $16,144  $15,791