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Inventories
3 Months Ended
Jun. 30, 2011
Inventories  
Inventories NOTE 7. INVENTORIES
     Inventories consisted of the following:
 
June 30
2011
March 31
2011
Raw materials $ 1,856,659    $ 2,083,730
Work in process 1,406,112 1,109,270
Finished goods 405,957   450,857  
3,668,728 3,643,857
Less inventory reserve   (300,000 ) (300,000 )
Total inventories $ 3,368,728   $ 3,343,857