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Note 3 - Inventory (Tables)
12 Months Ended
Mar. 31, 2015
Notes Tables  
Schedule Of Inventory [Table Text Block]
   
Current
   
Long Term
   
Total
 
Raw materials
  $ 95,702     $ 87,638     $ 183,340  
Finished goods
    42,002       619       42,621  
    $ 137,704     $ 88,257     $ 225,961  
   
Current
   
Long Term
   
Total
 
Raw materials
  $ 78,072     $ 36,364     $ 114,436  
Finished goods
    16,620       1,682       18,302  
    $ 94,692     $ 38,046     $ 132,738