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Inventories
9 Months Ended
Jan. 31, 2020
Inventories [Abstract]  
Inventories
Note 11 Inventories

Inventories, net were as follows:


 
January 31, 2020
   
April 30, 2019
 
Finished Goods
 
$
35,766
   
$
33,736
 
Work-in-Process
   
1,291
     
2,094
 
Paper and Other Materials
   
324
     
373
 
Total Inventories Before Estimated Sales Returns and LIFO Reserve
 
$
37,381
   
$
36,203
 
Inventory Value of Estimated Sales Returns
   
9,929
     
3,739
 
LIFO Reserve
   
(4,171
)
   
(4,360
)
Total Inventories
 
$
43,139
   
$
35,582