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Inventory
3 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventory
6. Inventory

The components of inventory at June 30, 2013 and March 31, 2013 are as follows (in thousands):

 

     June 30,
2013
     March 31,
2013
 

Raw materials

   $ 6,423       $ 5,966   

Work-in-process

     3,730         3,427   

Finished goods

     17,914         21,655   

Deferred program costs

     2,685         2,425   
  

 

 

    

 

 

 

Net inventory

   $ 30,752       $ 33,473   
  

 

 

    

 

 

 

For the three months ended June 30, 2013, the Company recorded an inventory write-down of approximately $0.2 million based on evaluating its ending inventory on hand for excess quantities and obsolescence.

Deferred program costs as of June 30, 2013 and March 31, 2013 primarily represent costs incurred on programs accounted for under contract accounting where the Company needs to complete development programs before revenue and costs will be recognized, respectively.