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Stock Compensation Plans (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 1998
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted during period          
Stock Options
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized 1,622,500      
Award vesting percentage 20.00%      
Award vesting period 5 years      
Stock options granted during period 135,000 29,000 76,000  
Stock options, aggregate grant date fair value $ 349 $ 69 $ 150  
Stock options vested during period 43,800 17,300 5,000  
Stock options vested during period, aggregate grant date fair value 80 32 6  
Number of unvested stock options 178,000 91,000    
Unvested stock awards, aggregate grant date fair value 434 189    
Unvested stock options, aggregate intrinsic value 435      
Stock options exercised during period 0 0 0  
Stock options, outstanding, aggregate intrinsic value $ 675 $ 443 $ 88  
Stock Grants | MRDP
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized       529,000
Award vesting percentage 20.00%      
Award vesting period 5 years      
Number of shares available for grant (shares) 0      
Stock awards, granted during period 0 0 0  
Number of unvested stock awards (shares) 0 3,254,000