Inventories
 9 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories
NOTE 7. INVENTORIES
     Inventories consisted of the following:
 
Dec. 31
2011		 March 31
2011
Raw materials $ 1,312,759    $ 2,083,730
Work in process 1,824,934 1,109,270
Finished goods 480,146   450,857  
3,617,839 3,643,857
Less inventory reserve   (300,000 ) (300,000 )
Total inventories $ 3,317,839   $ 3,343,857