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Description of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Nov. 30, 2012
Description of Business and Summary of Significant Accounting Policies [Abstract]  
Allowance for doubtful accounts

The activity in the allowance for doubtful accounts is as follows for the years ended November 30, 2012 and 2011:

 

         

December 1, 2010

   $ 783,354  

Bad Debt Expense

     227,907  

Write-offs

     (193,184 ) 

Recoveries

     124,456  
   

 

 

  

November 30, 2011

     942,533  
   

Bad Debt Expense

     746,007  

Write-offs

     (434,401 ) 

Recoveries

     113,326  
   

 

 

  

November 30, 2012

   $ 1,367,465  
Estimated useful lives of property and equipment

Estimated useful lives of property and equipment are as follows:

 

     
Furniture and equipment   3-10 years
Leasehold improvements   Lesser of 8-10 years or the lives of the leases
Computer software – internal use   1-5 years
Summary of Patent costs

Patent costs are as follows:

 

                 
    2012     2011  

Patents

   $ 490,545     $ 529,385  

Less: Accumulated amortization

     (87,249 )      (74,060 ) 
   

 

 

    

 

 

  
     

Net Patents

   $ 403,296     $ 455,325  
   

 

 

    

 

 

  
Future amortization expenses

The future amortization expenses are as follows:

 

         

Fiscal Year Ending November 30,

   Amortization  

2013

   $ 25,900  

2014

   $ 25,900  

2015

   $ 25,900  

2016

   $ 25,900  

2017

   $ 25,900  

Thereafter

   $ 273,796  
Financial assets and liabilities measured at fair value on recurring basis

The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis as of November 30, 2012 and 2011, respectively, segregated among the appropriate levels within the fair value hierarchy:

 

                                 
    Fair Value at
November 30,
2012		     Fair Value Measurements
at November 30, 2012 Using		  

Description

     Level 1     Level 2     Level 3  

Assets:

                                

Trading securities

   $    13,660     $ 13,660                —         —    

 

                                 
    Fair Value at
November 30,
2011		     Fair Value Measurements
at November 30, 2011 Using		  

Description

     Level 1     Level 2     Level 3  

Assets:

                                

Available-for-sale securities

   $ 1,008,404     $  6,404     $ 1,002,000       —    
Composition of basic and diluted net income per share

The composition of basic and diluted net income per share is as follows:

 

                 
    November 30, 2012     November 30, 2011  

Numerator:

                

Net Loss

   ($ 6,308,470 )    ($ 2,095,526 ) 

Denominator:

                

Weighted-average shares outstanding - basic

     11,308,872       11,763,290  

Dilutive common shares issuable upon exercise of stock options

                
   

 

 

    

 

 

  

Weighted-average shares - diluted

     11,308,872       11,763,290  
   

 

 

    

 

 

  

Loss per share:

                

Basic

   ($ 0.56 )    ($ 0.18 ) 
   

 

 

    

 

 

  

Diluted

   ($ 0.56 )    ($ 0.18 )