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Note 6 - Earnings Per Share (Tables)
6 Months Ended
Mar. 01, 2015
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    Thirteen weeks ended      Twenty-Six weeks ended   
    March 1,     February 23,     March 1,     February 23,  
    2015     2014     2015     2014  
Numerator for basic and diluted
earnings per share:
                               
Net income
  $ 455,602     $ 258,243     $ 622,239     $ 602,774  
                                 
Denominator
                               
Denominator for basic earnings
per share – weighted average shares
    2,909,183       2,898,325       2,906,757       2,895,295  
                                 
Effect of dilutive securities:
                               
Employee and non-employee options
    49,002       55,005       52,843       56,276  
                                 
Dilutive common shares
                               
Denominator for diluted earnings
per share
    2,958,185       2,953,330       2,959,600       2,951,571  
                                 
Basic earnings per share
  $ .16     $ .09     $ .21     $ .21  
                                 
Diluted earnings per share
  $ .15     $ .09     $ .21     $ .20