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Property and Equipment, Net
 9 Months Ended
Jan. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net

(5) Property and Equipment, net

 

The components of property and equipment, net as of January 31, 2021 and April 30, 2020 consisted of the following:

 

    January 31, 2021     April 30, 2020  
    (in thousands)  
             
Equipment   $ 342       342  
Computer equipment & software     502       486  
Office furniture & equipment     339       339  
Leasehold improvements     474       474  
Construction in process     15       15  
    $ 1,672     $ 1,656  
Less: accumulated depreciation     (1,255 )     (1,157 )
    $ 417     $ 499  

 

Depreciation expense was approximately $33,000 and $40,000 for the three-month periods ended January 31, 2021 and 2020, and approximately $106,000 and $117,000 for the nine-month periods ended January 31, 2021 and 2020, respectively.