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Note 10 - Property, Plant and Equipment
 6 Months Ended
Sep. 30, 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  September 30, 2021 and  March 31, 2021 are as follows (in thousands):

 

  

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 

 

Depreciation expense was $0.7 million and $0.9 million for the three months ended September 30, 2021 and 2020, respectively. Depreciation expense was $1.3 million and $1.8 million for the six months ended September 30, 2021 and 2020, respectively. The increase in land and building relates to the property added as part of the Neeltran Acquisition.