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Inventories
 12 Months Ended
Jan. 31, 2016
Inventory Disclosure [Abstract]  
Inventories

5. Inventories

Inventories consisted of the following (in thousands):

 

     As of January 31,  
     2016      2015  

Raw materials

    $ 7,314       $ 6,718   

Finished goods

      4,967         4,466   

Work in progress

      1,563         1,017   
  

 

 

     

 

 

  

Cost of inventories

      13,844         12,201   

Less allowance for obsolescence

      (900 )       (750 ) 
  

 

 

     

 

 

  

Net inventories

    $ 12,944       $ 11,451   
  

 

 

     

 

 

  

In December of 2015, the Company acquired $3.3 million of inventory in connection with the purchase of Klein. See Note 3 to our consolidated financial statements.