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Accounts Receivables
12 Months Ended
Jan. 31, 2021
Receivables [Abstract]  
Accounts Receivables
8. Accounts Receivables
Accounts receivables from continuing operations consisted of the following (in thousands):
 
    
As of January 31,
2021
    
As of January 31,
2020
 
    
Current
    
Total
    
Current
    
Total
 
Accounts receivable
   $ 5,695      $ 5,695      $ 9,001      $ 9,001  
Less allowance for doubtful accounts
     (948      (948      (2,378      (2,378
    
 
 
    
 
 
    
 
 
    
 
 
 
Accounts receivable net of allowance for doubtful accounts
   $ 4,747      $ 4,747      $ 6,623      $ 6,623