Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets

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Intangible Assets
3 Months Ended
Feb. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS
INTANGIBLE ASSETS
Intangible assets consist of owned trademarks and patents for ten product lines
 
 
February 28,
2013
 
November 30,
2012
Patents and trademarks
 
$
932,896

 
$
932,896

Less: Accumulated amortization
 
155,356

 
150,241

Intangible Assets - Net
 
$
777,540

 
$
782,655



Patents are amortized on a straight-line basis over their legal life of 17 years. Trademarks have an indefinite life and are reviewed for impairment or more frequently if impairment indicators occur. Amortization expense for the three months ended February 28, 2013 and February 29, 2012 amounted to $5,116 and $115, respectively. Estimated amortization expense for the years ending November 30, 2013, 2014, 2015, 2016 and 2017 will be $20,463, $20,463, $20,439, $20,421 and $20,421, respectively.