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Accounts and Contracts Receivables (Tables)
 12 Months Ended
Jan. 31, 2016
Receivables [Abstract]  
Accounts and Contracts Receivables

Accounts and contracts receivables consisted of the following (in thousands):

 

     As of January 31,  
     2016      2015  

Accounts receivable

    $ 27,691       $ 30,032   

Contracts receivable

      2,877         3,639   
  

 

 

     

 

 

  
     30,568         33,671   

Less long-term portion

      (4,972 )       —     
  

 

 

     

 

 

  

Current accounts and contracts receivable

      25,596         33,671   

Less allowance for doubtful accounts

      (5,821 )       (6,339 ) 
  

 

 

     

 

 

  

Current portion of accounts and contracts receivable, net of allowance for doubtful accounts

    $ 19,775       $ 27,332