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Note 4 Inventories, net
9 Months Ended
Dec. 31, 2011
Inventory Disclosure [Text Block]
Note 4 –Inventories, net

Inventories consist of:

   
December 31,
2011
   
March 31,
2011
 
             
Purchased parts
 
$
2,498,245
   
$
2,119,957
 
Work-in-process
   
1,369,246
     
1,184,812
 
Finished goods
   
98,480
     
110,609
 
Less: Inventory reserve
   
(180,000
))
   
(445,000
))
                 
   
$
3,785,971
   
$
2,970,378