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Note 5 - Earnings per Share (Tables)
9 Months Ended
Jun. 30, 2015
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended June 30,
   
Nine Months Ended June 30,
 
   
2015
   
2014
   
2015
   
2014
 
Income from continuing operations
  $ 637,134     $ 177,726     $ 1,287,312     $ 39,831  
Discontinued operations, net of tax
          (75,528 )           (666,046 )
Net income (loss) attributable to common shareholders
  $ 637,134     $ 102,198     $ 1,287,312     $ (626,215 )
                                 
Basic weighted average shares
    10,073,121       10,041,206       10,055,390       10,014,839  
Effect of dilutive securities:
                               
Stock options
          45,909             36,403  
Diluted weighted average shares
    10,073,121       10,087,115       10,055,390       10,051,242  
                                 
Earnings (loss) per common share:
                               
Basic
                               
Continuing operations
  $ 0.06     $ 0.02     $ 0.13     $  
Discontinued operations
          (0.01 )           (0.07 )
Net income (loss)
  $ 0.06     $ 0.01     $ 0.13     $ (0.06 )
Diluted
                               
Continuing operations
  $ 0.06     $ 0.02     $ 0.13     $  
Discontinued operations
          (0.01 )           (0.07 )
Net income (loss)
  $ 0.06     $ 0.01     $ 0.13     $ (0.06 )