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Note 3 - Inventories
 6 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
3.
    INVENTORIES
 
The components of inventories were as follows:
 
   
December 31, 2019
    
June 30, 2019
  
Raw materials
   $
2,035,398
     $
1,848,340
  
Finished goods
    
6,193,573
      
6,604,408
  
Inventories, gross    
8,228,971
      
8,452,748
  
Reserve for obsolete inventory
    
(1,527,660
 )    
(1,601,300
 )
Inventories, net
   $
6,701,311
     $
6,851,448