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Inventories
3 Months Ended
Jul. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories, net consisted of the following:
July 31, 2023April 30, 2023
Finished goods$28,178 $29,339 
Work-in-process991 1,031 
Paper and other materials300 248 
Total inventories before estimated sales returns and LIFO reserve$29,469 $30,618 
Inventory value of estimated sales returns7,628 6,923 
LIFO reserve(6,808)(6,808)
Inventories, net$30,289 $30,733