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Inventories
6 Months Ended
Dec. 31, 2011
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

2. Inventories

 

Inventories are comprised as follows:

 

    December 31, 2011     June 30, 2011  
             
Work-in progress   $ 872,540     $ 820,586  
Component parts     7,883,478       7,858,862  
Finished goods     3,690,807       3,293,261  
Reserve for obsolete and excess inventory     (1,374,092 )     (1,419,420 )
    $ 11,072,733     $ 10,553,289