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Stock-Based Compensation (Tables)
12 Months Ended
Sep. 30, 2015
July 1, 2011 Common Stock Options Issued [Member]  
Fair Value of Stock Options at Time of Grant

The following assumptions were used to determine the fair value of the stock options at time of grant:

 

Risk-free interest rate

     2.0

Expected life of options

     10.0 years   

Dividend yield

     0.0

Volatility

     34.2
May 28, 2012 Common Stock Options Issued [Member]  
Fair Value of Stock Options at Time of Grant

The following assumptions were used to determine the fair value of the stock options at time of grant:

 

Risk-free interest rate

     2.0

Expected life of options

     9.4 years   

Dividend yield

     0.0

Volatility

     32.7
2009 Plan [Member]  
Option Activity under Stock-Based Compensation Plan

The following table summarizes option activity under the 2009 Plan:

 

     Number
of Shares
     Average
Exercise
Price Per
Share
 

Options outstanding at September 30, 2013

     318,000       $ 7.655   

Options exercised during fiscal 2014

     (1,500    $ 7.689   
  

 

 

    

Options outstanding at September 30, 2014

     316,500       $ 7.655   

Options exercised during fiscal 2015

     (18,750    $ 7.258   
  

 

 

    

Options outstanding at September 30, 2015

     297,750       $ 7.680   
  

 

 

    

1997 Plan [Member]  
Option Activity under Stock-Based Compensation Plan

The following table summarizes option activity under the 1997 Plan:

 

     Number of
Shares
     Exercise Price
Per Share
 

Outstanding at September 30, 2015, 2014 and 2013

     27,500       $ 9.32