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Shareholders' Equity and Share-based Payments (Details) (USD $)
 3 Months Ended 9 Months Ended 0 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
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Jun. 30, 2013
Apr. 17, 2014
Sep. 30, 2013
Jan. 25, 2013
Employee And Non Employee Stock Options [Member]
Mar. 31, 2013
Employee And Non Employee Stock Options [Member]
Jun. 30, 2014
Stock Option Plan1998 [Member]
Jun. 30, 2013
Stock Option Plan1998 [Member]
Jun. 30, 2014
Stock Option Plan1998 [Member]
Jun. 30, 2013
Stock Option Plan1998 [Member]
Jun. 30, 2014
Restricted Stock Plan2003 [Member]
Jun. 30, 2013
Restricted Stock Plan2003 [Member]
Jun. 30, 2014
Restricted Stock Plan2003 [Member]
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Jun. 30, 2013
Restricted Stock Plan2003 [Member]
Jun. 30, 2014
Restricted Stock Plan2003 [Member]
Non Employee Director [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Non Employee Director [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Non Employee Director [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Non Employee Director [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Non Employee Director [Member]
Apr. 17, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Non Employee Director [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Employee [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Employee [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Employee [Member]
Jun. 30, 2013
Stock Based Incentive Compensation Plan2009 [Member]
Employee [Member]
Jun. 30, 2014
Stock Based Incentive Compensation Plan2009 [Member]
Performance Shares [Member]
Employee [Member]
Shareholders' Equity and Share-based Payments                                                              
Common stock, shares authorized 75,000,000   75,000,000     75,000,000                                                  
Preferred Stock, shares authorized 10,000,000   10,000,000     10,000,000                                                  
Share-based compensation                                                              
Share-based compensation expense $ 221,000 $ 235,000 $ 660,000 $ 679,000       $ 22,000 $ 0 $ 0 $ 0 $ 31,000 $ 0 $ 0 $ 0 $ 0   $ 221,000 $ 235,000 $ 660,000 $ 648,000 $ 50,000 $ 50,000 $ 150,000 $ 150,000   $ 171,000 $ 185,000 $ 510,000 $ 498,000  
Unrecognized compensation cost, related to non-vested stock options                                   59,000   59,000                      
Income tax effect recognized as a charge to additional paid-in capital related to share-based compensation 1,000 4,000 160,000 17,000                                                      
Reduction in applicable option exercise price of each outstanding option (in dollars per share)             $ 1.50                                                
Number of share-based compensation plans maintained by the company     3                                                        
Number of shares of common stock available for awards under the plan                                   343,830   343,830                      
Number of shares of common stock reserved for awards                 3,389,000   3,389,000             1,200,000   1,200,000                      
Fair market value of annual award of non-vested shares                                 40,000                 40,000          
Number of quarterly installments of shares awards                             4                                
Maximum award (in shares)                                                             300,000
Stock repurchase program                                                              
Maximum number of shares of outstanding common stock approved to acquire under repurchase program         250,000                                                    
Number of shares of common stock yet to be purchased under the repurchase program 250,000   250,000                                                        
Number of shares of common stock purchased under the repurchase program   0   175                                                      
Cost of common stock purchased under the repurchase program       $ 696                                                      
Average market price of common stock purchased under the repurchase program (in dollars per share)       $ 3.96