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3. Inventory
9 Months Ended
Feb. 28, 2014
Inventory

Inventory consists of the following:

 

    February 28,     May 31,  
    2014     2013  
Raw materials   $ 988,416     $ 750,819  
Finished goods     1,891,260       293,560  
Total inventory   $ 2,879,676     $ 1,044,379