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Goodwill
9 Months Ended
Oct. 31, 2011
Disclosure Text Block Supplement [Abstract]  
Goodwill Disclosure [Text Block]
15. Goodwill
 
The changes in the carrying amount of goodwill during fiscal year 2012 are summarized in the following:
 
   
USA
   
Brazil
   
Total
 
Balance as of January 31, 2011
  $ 871,296     $ 5,426,455     $ 6,297,751  
During fiscal year 2012 through October 31, 2011
                       
Effect of foreign currency translation
    -       (39,011 )     (39,011 )
Balance as of October 31, 2011
  $ 871,296     $ 5,387,444     $ 6,258,740