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Note 5 - Trade Receivables
12 Months Ended
Jan. 31, 2020
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Note
5
– Trade Receivables
 
     
January 31,
     
January 31,
 
      2020       2019  
Trade receivables    
37,121
     
33,350
 
Less: Allowance for doubtful accounts    
(2,003
)    
(1,857
)
     
35,118
     
31,493
 
 
Included in accounts receivable are unbilled receivables in the amount of
$1.4
million as at
January 31, 2020 (
$1.0
million as at
January 31, 2019).
For the years ended
January 31, 2020,
2019
and
2018,
bad debt expense was
$0.6
million,
$1.2
million and
$0.8
million, respectively.