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Note 5 - Trade Receivables
 12 Months Ended
Jan. 31, 2017
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Note
5
– Trade Receivables
 
     
January 31,
2017		      
January 31,
2016		  
Trade receivables    
26,495
      
27,080
  
Less: Allowance for doubtful accounts    
(1,094
 )    
(1,466
 )
     
25,401
      
25,614
  
 
Included in accounts receivable are unbilled receivables in the amount of
$1.0
million as at
January
31,
2017
($1.0
million as at
January
31,
2016).
Bad debt expense was
$0.6
million,
$0.8
million and
$0.4
million for the years ended
January
31,
2017,
January
31,
2016
and
January
31,
2015,
respectively.