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Accrued Liabilities
 9 Months Ended
Oct. 31, 2013
Payables And Accruals [Abstract]  
Accrued Liabilities

4. Accrued Liabilities

Accrued liabilities at October 31, 2013 and January 31, 2013 consisted of the following:

 

     As of
October 31, 2013		      As of
January 31, 2013		  
     (in thousands)  

Accrued employee compensation

    $ 7,385       $ 8,599   

Refundable exercised unvested options

      91         210   

Accrued warranty

      292         352   

Accrued rebates

      257         272   

Accrued product development costs

      3,019         2,875   

Other accrued liabilities

      1,022         1,734   
  

 

 

     

 

 

  

Total accrued liabilities

    $ 12,066       $ 14,042