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Inventories
 12 Months Ended
Jan. 31, 2017
Inventory Disclosure [Abstract]  
Inventories

5. Inventories

Inventories consisted of the following (in thousands):

 

     As of January 31,  
     2017      2016  

Raw materials

    $ 5,781      $ 7,314  

Finished goods

      5,985        4,967  

Work in progress

      1,146        1,563  
  

 

 

     

 

 

  

Cost of inventories

      12,912        13,844  

Less allowance for obsolescence

      (952 )       (900 ) 
  

 

 

     

 

 

  

Net inventories

    $ 11,960      $ 12,944  
  

 

 

     

 

 

  

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.