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Inventories
9 Months Ended
Jan. 31, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
The Company measures inventory using the first-in, first-out ("FIFO") method at the lower of cost or net realizable value. Inventories consisted of the following (in thousands):
January 31, 2021April 30, 2020
Finished products$2,712 $2,455 
Work in process1,826 1,921 
Raw materials11,077 10,954 
$15,615 $15,330 
The Company’s International subsidiaries’ inventories were $1,915,000 at January 31, 2021 and $2,136,000 at April 30, 2020 and are included in the above tables.