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Property and Equipment
 12 Months Ended
Apr. 30, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment

(5) Property and Equipment

 

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

 

    April 30, 2021     April 30, 2020  
    (in thousands)  
             
Equipment   $ 291       342  
Computer equipment & software     498       486  
Office furniture & equipment     341       339  
Leasehold improvements     474       474  
Construction in process     15       15  
    $ 1,619     $ 1,656  
Less: accumulated depreciation     (1,213 )     (1,157 )
    $ 406     $ 499  

 

Depreciation expense was approximately $0.1 million and $0.2 million for the years ended April 30, 2021 and 2020, respectively.