XML 22 R9.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Note 4. Inventories, net
3 Months Ended
Jun. 30, 2010
Inventory Disclosure [Text Block]
Note 4                     Inventories, net

Inventories consist of:

   
June 30, 2011
   
March 31, 2011
 
             
Purchased parts
  $ 1,693,513     $ 2,119,957  
Work-in-process
    1,224,968       1,184,812  
Finished goods
    57,011       110,609  
Less: Inventory reserve
    (455,000 )     (445,000 )
                 
    $ 2,520,492     $ 2,970,378