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Note 10 - Property, Plant and Equipment
 9 Months Ended
Dec. 31, 2021
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  December 31, 2021 and  March 31, 2021 are as follows (in thousands):

 

   

December 31, 2021

    

March 31, 2021

  

Construction in progress - equipment

   $ 506     $ 220  

Land

     980       270  

Building

     5,270       1,630  

Equipment and software

     43,721       41,652  

Finance lease - right of use asset

     9       —  

Furniture and fixtures

     1,381       1,333  

Leasehold improvements

     6,594       6,308  

Property, plant and equipment, gross

     58,461       51,413  

Less accumulated depreciation

     (44,343 )     (42,416 )

Property, plant and equipment, net

   $ 14,118     $ 8,997  

 

Depreciation expense was $0.7 million and $1.2 million for the three months ended December 31, 2021 and 2020, respectively. Depreciation expense was $2.0 million and $2.9 million for the nine months ended December 31, 2021 and 2020, respectively. The increase in land and building relates to the property added as part of the Neeltran Acquisition.