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Note 2 - Inventories
9 Months Ended
Jun. 30, 2012
Inventory Disclosure [Text Block]
2. Inventories

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

   
June 30,
2012
   
Sept. 30,
2011
   
June 30,
2011
 
                   
Components
  $ 968,712     $ 1,145,278     $ 1,298,682  
Work-in-Process
    537,914       515,885       517,717  
Finished Product
    247,948       302,780       306,723  
    $ 1,754,574     $ 1,963,943     $ 2,123,122  

The above amounts are net of reserve for obsolete inventory in the amount of $845,415, $714,000 and $524,476 for the periods ended June 30, 2012, September 30, 2011 and June 30, 2011 respectively.