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Note 10 - Property, Plant and Equipment
 3 Months Ended
Jun. 30, 2022
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

10. Property, Plant and Equipment

 

The cost and accumulated depreciation of property, plant and equipment at  June 30, 2022 and  March 31, 2022 are as follows (in thousands):

 

   

June 30, 2022

    

March 31, 2022

  

Construction in progress - equipment

   $ 523     $ 573  

Land

     980       980  

Building

     5,397       5,270  

Equipment and software

     43,737       43,668  

Finance lease - right of use asset

     6       8  

Furniture and fixtures

     1,505       1,379  

Leasehold improvements

     6,648       6,634  

Property, plant and equipment, gross

     58,796       58,512  

Less accumulated depreciation

     (45,399 )     (44,856 )

Property, plant and equipment, net

   $ 13,397     $ 13,656  

 

Depreciation expense was $0.7 million and $0.6 million for the three months ended June 30, 2022 and 2021, respectively.