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Accounts Receivables (Tables)
12 Months Ended
Jan. 31, 2020
Receivables [Abstract]  
Accounts Receivable
Accounts receivables consisted of the following (in thousands):
 
As of January 31, 2020
 
As of January 31, 2019
 
Current
 
Long-term
 
Total
 
Current
 
Long-term
 
Total
Accounts receivable
$
15,975

 
$
403

 
$
16,378

 
$
14,195

 
$
712

 
$
14,907

Less allowance for doubtful accounts
(4,054
)
 

 
(4,054
)
 
(2,113
)
 

 
(2,113
)
Accounts receivable net of allowance for doubtful accounts
$
11,921


$
403


$
12,324

 
$
12,082


$
712

 
$
12,794