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Inventories
9 Months Ended
Dec. 31, 2014
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:
 
  
December 31, 2014
  
March 31, 2014
 
     
Raw materials
 
$
126,000
  
$
136,000
 
Work-in-process
  
28,000
   
25,000
 
Finished goods
  
283,000
   
356,000
 
         
  
$
437,000
  
$
517,000