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Note 8 - Earnings Per Share of Common Stock (Tables)
9 Months Ended
Jun. 28, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended

   

Nine Months Ended

 
   

June 28,

   

June 29,

   

June 28,

   

June 29,

 
   

2014

   

2013

   

2014

   

2013

 

Numerator for basic and diluted earnings per share:

                               

Net income

  $ 378,053     $ 1,222,884     $ 1,934,864     $ 3,820,330  
                                 

Denominator:

                               

Denominator for basic earnings per share:

                               

Weighted average shares

    2,961,128       2,951,894       2,944,653       2,939,057  

Effect of dilutive securities:

                               

Employee stock options

    43,598       50,673       46,471       54,260  

Denominator for diluted earnings per share:

                               

Adjusted weighted average shares and assumed conversions

    3,004,726       3,002,567       2,991,124       2,993,317  
                                 

Net income per share of common stock:

                               

Basic

  $ 0.13     $ 0.41     $ 0.66     $ 1.30  

Diluted

  $ 0.13     $ 0.41     $ 0.65     $ 1.28