Inventories
 3 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Inventories
NOTE 6. INVENTORIES
Inventories consisted of the following:
June 30
2012		 March 31
2012
Raw materials $ 1,538,183 $ 1,285,106
Work in process 1,564,632 1,658,467
Finished goods 729,281 585,803
3,832,096 3,529,376
Less inventory reserve (285,000 ) (300,000 )
Total inventories $ 3,547,096 $ 3,229,376