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3. Inventory
6 Months Ended
Nov. 30, 2014
Inventory

Inventory consists of the following:

 

    November 30,     May 31,  
    2014     2014  
Raw materials   $ 834,422     $ 1,043,411  
Finished goods     648,881       572,754  
Total inventory   $ 1,483,303     $ 1,616,165