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Note 5 - Property and Equipment (Tables)
 9 Months Ended
Jun. 30, 2014
Note 5 - Property and Equipment (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block]
   

June 30,

   

September 30,

 
   

2014

   

2013

 
                 

Machinery and equipment

  $ 824,549     $ 607,803  

Office furniture and equipment

    732,116       769,799  

Leasehold improvements

    56,638       55,298  
      1,613,303       1,432,900  

Accumulated depreciation

    (1,276,654 )     (1,195,523 )
    $ 336,649     $ 237,377  
Depreciation Expense [Member]
  
Note 5 - Property and Equipment (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block]
   

Nine months ended

 
   

June 30,

 
   

2014

   

2013

 

Depreciation expense

  $ 143,211     $ 89,015