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Inventories
9 Months Ended
Dec. 31, 2012
Inventories

Note 4. Inventories

The components of inventories are as follows (in thousands):

 

     December 31,
2012
     March 31,
2012
 

Raw materials and supplies

   $ 5,443       $ 3,586   

Work-in-progress

     5,786         4,098   

Finished goods

     3,759         3,458   
  

 

 

    

 

 

 
   $ 14,988       $ 11,142   
  

 

 

    

 

 

 

The Company’s inventories relate to its circulatory care product lines, primarily the Impella, AB5000 and BVS 5000 product platforms. Finished goods and work-in-process inventories consist of direct material, labor and overhead. During the nine months ended December 31, 2012 and 2011, the Company recorded $0.9 million and $1.1 million, respectively, in write-downs of inventory.

From time to time, the Company places finished goods inventory on a short-term basis to customers for demonstration purposes and this inventory is amortized over a one to five-year life. The Company had $0.3 million and $0.4 million in demo inventory at December 31, 2012 and March 31, 2012, respectively.