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Inventories
6 Months Ended
Oct. 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):
October 31, 2021April 30, 2021
Finished products$4,541 $2,988 
Work in process2,322 1,832 
Raw materials11,257 11,697 
Total$18,120 $16,517 
The Company's International subsidiaries' inventories were $2,214,000 at October 31, 2021 and $2,560,000 at April 30, 2021 and are included in the above tables.