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3. Inventory
6 Months Ended
Nov. 30, 2013
Inventory

Inventory consists of the following:

 

    November 30,     May 31,  
    2013     2013  
Raw materials   $ 998,492     $ 750,819  
Finished goods     918,367       293,560  
Total inventory   $ 1,916,859     $ 1,044,379