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Share-Based Compensation (Details Textual) (USD $)
9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Sep. 30, 2011
Share-Based Compensation (Textual) [Abstract]      
Options outstanding 3,514,339   4,181,339
Options outstanding exercisable at prices $ 1.37   $ 2.40
Share-Based Compensation (Additional Textual) [Abstract]      
Total plan reserve 4,999,564    
Additional common stock available for grant 918,977    
Options outstanding expiry 2012 To 2022    
Average life 5 years 1 month 10 days    
Aggregate intrinsic value of options outstanding $ 530,592    
Aggregate intrinsic value of options exercisable 529,860    
Dividend paid 0    
Excess tax benefit 0 0  
Unrecognized compensation cost related to non-vested share-based employee compensation arrangements $ 1,300,000    
Expected recognized Cost over a weighted-average period 1 year 9 months 18 days    
Maximum [Member]
     
Share-Based Compensation (Textual) [Abstract]      
Options outstanding exercisable at prices $ 3.43    
Minimum [Member]
     
Share-Based Compensation (Textual) [Abstract]      
Options outstanding exercisable at prices $ 0.46    
2005 Equity Incentive Plan [Member]
     
Share-Based Compensation (Textual) [Abstract]      
Issuance of shares of common stock to employees, directors or consultants 3,250,000    
Options outstanding 3,514,339