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Inventory (Tables)
9 Months Ended
Feb. 28, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consists of the following:

 

    February 28, 2015     May 31, 2014  
Raw materials   $ 804,122     $ 1,043,411  
Finished goods     2,134,744       572,754  
Total inventory   $ 2,938,866     $ 1,616,165