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Note 10 - Property, Plant and Equipment (Tables)
6 Months Ended
Sep. 30, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30, 2021

  

March 31, 2021

 

Construction in progress - equipment

 $432  $220 

Land

  980   270 

Building

  5,270   1,630 

Equipment and software

  43,714   41,652 

Finance lease - right of use asset

  11    

Furniture and fixtures

  1,385   1,333 

Leasehold improvements

  6,523   6,308 

Property, plant and equipment, gross

  58,315   51,413 

Less accumulated depreciation

  (43,704)  (42,416)

Property, plant and equipment, net

 $14,611  $8,997