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Inventories
12 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
Inventories
NOTE 5. INVENTORIES
     Inventories consisted of the following:
 
March 31
2012 2011
Raw materials $ 1,285,106 $ 2,083,730
Work in process 1,658,467 1,109,270
Finished goods 585,803 450,857  
3,529,376 3,643,857
Less inventory reserve (300,000 ) (300,000 )
Total inventories $ 3,229,376   $ 3,343,857