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Inventory
3 Months Ended
Aug. 31, 2015
Inventory Disclosure [Abstract]  
Inventory

Note 3. Inventory

Inventory consists of the following:

    August 31, 2015     May 31, 2015  
Raw materials   $ 710,764     $ 665,702  
Finished goods     1,343,503       763,642  
Total inventory   $ 2,054,267     $ 1,429,344