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Inventories
6 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories
5. Inventories

Inventories are stated at the lower of cost (first-in, first-out method) or market (net realizable value).  Inventories consist of the following:

 
 
September 30, 2013
  
March 31, 2013
 
 
 
  
 
Raw materials
 
$
144
  
$
219
 
Work-in-process
  
32
   
21
 
Finished goods
  
449
   
479
 
 
        
 
 
$
625
  
$
719