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Note 2 - Inventories
9 Months Ended
Jun. 30, 2011
Inventory Disclosure [Text Block]
2. Inventories

Inventories are valued at the lower of cost or market and consist of the following:

   
June 30,
  2011
   
Sept. 30,
  2010
   
June 30,
  2010
 
                   
Components
  $ 1,298,682     $ 1,382,484     $ 1,484,495  
Work-in-Process
    517,717       390,434       225,322  
Finished Product
    306,723       350,054       361,264  
                         
    $ 2,123,122     $ 2,122,972     $ 2,071,081  
                         

The above amounts are net of reserve for obsolete inventory in the amount of $524,476, $380,000 and $571,972 for the periods ended June 30, 2011, September 30, 2010 and June 30, 2010 respectively.