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Inventories
12 Months Ended
Jan. 31, 2013
Inventories [Abstract]  
Inventories

5. Inventories

Inventories consisted of the following (in thousands):

 

                 
    As of January 31,  
    2013     2012  

Raw materials

  $ 3,103     $ 2,789  

Finished goods

    3,531       3,711  

Work in progress

    627       1,109  
   

 

 

   

 

 

 

Cost of inventories

    7,261       7,609  

Less allowance for obsolescence

    (1,073     (901
   

 

 

   

 

 

 

Net inventories

  $ 6,188     $ 6,708