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Inventories (Tables)
6 Months Ended
Oct. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
Inventories, net consisted of the following:
October 31, 2022April 30, 2022
Finished goods$30,245 $31,270 
Work-in-process1,182 1,729 
Paper and other materials182 275 
Total inventories before estimated sales returns and LIFO reserve$31,609 $33,274 
Inventory value of estimated sales returns7,347 7,820 
LIFO reserve(4,509)(4,509)
Inventories, net$34,447 $36,585