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Property and Equipment
 12 Months Ended
Apr. 30, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment

(6) Property and Equipment

 

The components of property and equipment as of April 30, 2022 and 2021 consisted of the following:

 

   April 30, 2022   April 30, 2021 
   (in thousands) 
Equipment  $615   $291 
Computer equipment & software   571    498 
Office furniture & equipment   352    341 
Leasehold improvements   477    474 
Construction in process   15    15 
Property and equipment, gross  $2,030   $1,619 
Less: accumulated depreciation   (1,585)   (1,213)
Property and equipment, net  $445   $406 

 

Depreciation expense was approximately $0.1 million for both years ended April 30, 2022 and 2021.