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Note 8 - Inventory (Tables)
12 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31, 2022

  

March 31, 2021

 

Raw materials

 $11,020  $8,255 

Work-in-process

  10,462   3,297 

Finished goods

  1,326   777 

Deferred program costs

  858   977 

Inventory

 $23,666  $13,306