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Note 5 - Property and Equipment (Tables)
 6 Months Ended
Mar. 31, 2014
Note 5 - Property and Equipment (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block]
   

March 31,

2014

   

September 30,

2013

 
                 

Machinery and equipment

  $ 801,044     $ 607,803  

Office furniture and equipment

    737,220       769,799  

Leasehold improvements

    56,638       55,298  
      1,594,902       1,432,900  

Accumulated depreciation

    (1,238,062 )     (1,195,523 )
    $ 356,840     $ 237,377  
Depreciation Expense [Member]
  
Note 5 - Property and Equipment (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block]
   

Six months ended

March 31, 		 
   

2014

   

2013

 

Depreciation expense

  $ 84,413     $ 55,898