Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v2.4.0.8
Summary of Significant Accounting Policies (Details Textual) (USD $)
3 Months Ended 6 Months Ended
May 31, 2013
May 31, 2012
May 31, 2013
May 31, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]        
Period over which patents are amortized on the straight-line method     17 years  
Advertising Cooperative and Promotional Expense $ 928,946 $ 1,992,831 $ 2,954,049 $ 4,076,422
Research and Development Expense 179,458 207,693 346,613 392,960
Shipping costs $ 725,657 $ 877,369 $ 1,487,038 $ 1,605,695