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OTHER ASSETS (Tables)
 12 Months Ended
May 31, 2013
OTHER ASSETS [Abstract]  
Other assets

Other assets consist of the following as of May 31:

 

 

 

2013

 

 

2012

 

Patents

 

$

190,739

 

 

$

190,739

 

Debt issue costs

 

 

18,726

 

 

 

18,726

 

Accumulated amortization

 

 

(140,879

)

 

 

(127,829

)

Customer deposits

 

 

2,785

 

 

 

4,818

 

 

 

 

 

 

 

 

 

 

Total Other Assets

 

$

71,371

 

 

$

86,454