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Inventories
3 Months Ended
Jun. 30, 2013
Inventories [Abstract]  
Inventories
NOTE 6. INVENTORIES
     Inventories consisted of the following:
 
June 30
2013
March 31
2013
Raw materials $ 1,227,055   $ 1,312,011
Work in process 1,474,789   1,533,951
Finished goods 830,096   775,630  
  3,531,940   3,621,592
Less inventory reserve (300,000 ) (285,000 )
Total inventories $ 3,231,940   $ 3,336,592