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Inventories
3 Months Ended
Jun. 30, 2011
Inventories  
Inventories
6. Inventories

Inventories are stated at the lower of actual cost or net realizable value. Cost is determined by using the first-in, first-out (FIFO) method. Inventories consist of the following (in thousands):

 

     June 30,
2011
     March 31,
2011
 

Raw materials

   $ 5,091       $ 4,548   

Work in process

     77         27   

Finished goods

     4,423         4,350   
                 
   $ 9,591       $ 8,925