Annual report pursuant to Section 13 and 15(d)

Equity And Share-Based Payments (Narrative) (Details)

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Equity And Share-Based Payments (Narrative) (Details) (USD $)
 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation (in Dollars) $ 858,615 $ 727,609 $ 842,512  
Options, exercises in period 60,000 36,250 1,557,750  
Issuance of common stock upon cashless exercise of options 16,963 28,172    
Cashless options, exercises in period 30,000 36,250 1,557,750  
Cash options, exercises in period 30,000      
Proceeds from exercise of stock options 117,600      
Options, exercises in period, intrinsic value (in Dollars) 154,000 272,000 6,888,000  
Grants in period 213,576 64,676 52,500  
Stock issued during period, shares, share-based compensation, net of forfeitures     1,166,017  
Net number of shares issued     802,982  
Surrendered options in lieu of taxes     363,035  
Share price (in Dollars per share) $ 3.49      
Fair value of awards granted (in Dollars) 1,665,000 471,000 218,000  
Shares forfeited in period 250 7,000 2,500  
Unvested shares 141,435 33,502 93,818 193,504
Warrants issued during the period 0 0 0  
Proceeds from warrant exercises (in Dollars)     13,000  
Class of warrant or right, outstanding 0 0    
Preferred stock, issued 0 0    
Preferred stock, outstanding 0 0    
Preferred Class A [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Preferred stock, shares authorized 5,000,000      
Preferred stock, par or stated value per share (in Dollars per share) $ 0.01      
Preferred stock, issued 0 0 0  
Preferred stock, outstanding 0 0 0  
Preferred Class A Series 1 [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Preferred stock, shares authorized 1,040,000      
Preferred Class A Series 2 [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Preferred stock, shares authorized 1,500,000      
Preferred Class A Series 3 [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Preferred stock, shares authorized 700,000      
Preferred Class B [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Preferred stock, shares authorized 15,000      
Preferred stock, par or stated value per share (in Dollars per share) $ 0.50      
Preferred stock, issued 0 0 0  
Preferred stock, outstanding 0 0 0  
Cashless [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Non-option equity instruments, exercised   52,000 18,000  
Warrants [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense (in Dollars) 0      
Non-option equity instruments, exercised     10,000  
Proceeds from warrant exercises (in Dollars)     13,000  
Warrants [Member] | Cashless [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock upon exercise of warrants (in Shares)   43,465 14,795  
Non-option equity instruments, exercised   52,000 18,000  
Employee Stock Option [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation (in Dollars) 0 0 60,000  
Restricted Stock [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation (in Dollars) 859,000 728,000 782,000  
Unrecognized compensation expense (in Dollars) 1,032,000      
Unvested shares 141,000      
Unrecognized compensation expense, period for recognition 1 year 10 months 2 days      
Accrued expenses from shares not yet issued 256,000 227,000 199,000  
Tax benefit of stock-based compensation expense $ 204,000      
Minimum [Member] | Restricted Stock [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 1 year      
Award requisite service period 1 year      
Maximum [Member] | Restricted Stock [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 3 years      
Award requisite service period 3 years      
2008 Stock Incentive Plan [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized 2,000,000      
Number of shares granted 1,054,018      
Award expiration period 10 years      
Award vesting rights, percentage per month 2.80%      
Award vesting period 3 years      
2008 Stock Incentive Plan [Member] | Employee Stock Option [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted 150,000      
Grants in period 0 0 0  
1997 Stock Option Plan [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for grant 0      
Award expiration period 10 years      
Award vesting rights, percentage per month 2.80%      
Award vesting period 3 years      
Expiration date Dec. 31, 2006