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5. Accounts Receivable (Tables)
 6 Months Ended
Jul. 31, 2016
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   
July 31,
    
January 31,
  
   
2016
    
2016
  
             
Trade accounts receivable
  
$
69,585
    
$
25,520
  
Receivable from factor
    
1,698
      
3,688
  
Allowance for doubtful accounts
    
(3,848
)
    
(1,032
)
   Accounts receivable
  
$
67,435
    
$
28,176