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Property and Equipment
 12 Months Ended
Apr. 30, 2020
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment consisted of the following at April 30, 2020 and 2019 (in thousands):
 
2020
 
2019
Buildings and leasehold improvements
$
16,881

 
$
16,724

Computer equipment and purchased software
11,478

 
11,235

Office furniture and equipment
4,973

 
4,953

 
33,332

 
32,912

Accumulated depreciation and amortization
(29,959
)
 
(29,327
)
 
$
3,373

 
$
3,585