XML 31 R9.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accrued Liabilities
 3 Months Ended
Apr. 30, 2013
Text Block [Abstract]  
Accrued Liabilities

4. Accrued Liabilities

Accrued liabilities at April 30, 2013 and January 31, 2013 consisted of the following:

 

     As of
April 30, 2013		      As of
January 31, 2013		  
     (in thousands)  

Accrued employee compensation

    $ 5,259       $ 8,599   

Refundable exercised unvested options

      161         210   

Accrued warranty

      335         352   

Accrued rebates

      192         272   

Accrued product development costs

      3,920         2,875   

Other accrued liabilities

      1,317         2,111   
  

 

 

     

 

 

  

Total accrued liabilities

    $ 11,184       $ 14,419