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Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Product Information [Table Text Block]
 
 
Three months ended
December 31
,
 
 
 
201
6
 
 
201
5
 
Grocery
   
66.0
%
   
66.3
 
Dietary supplements
   
22.0
     
21.9
 
Other
   
12.0
     
11.8
 
     
100.0
%
   
100.0