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Note 4 - Inventories (Tables)
6 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
December
3
1
,
   
June 30,
 
   
2017
   
201
7
 
Raw materials
  $
47,628
    $
43,088
 
Supplies and packing materials
   
301,436
     
125,241
 
Finished goods
   
577,358
     
275,945
 
Total
  $
926,422
    $
444,274