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Nature of Operations and Summary of Significant Accounting Policies (Details) (USD $)
 3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Computation of basic and diluted net income (loss) per share        
Net (loss) income $ (2,008,887) $ 325,111 $ (4,829,969) $ 94,323
Weighted-average common shares outstanding - basic 25,613,698 22,574,421 24,980,253 20,648,090
Effect of dilutive common share equivalents 0 2,244,253 0 2,147,586
Weighted-average common shares and share equivalents outstanding - diluted 25,613,698 24,818,674 24,980,253 22,795,676
Net (loss) income per share - basic $ (0.08) $ 0.01 $ (0.19) $ 0.00
Net (loss) income per share - diluted $ (0.08) $ 0.01 $ (0.19) $ 0.00