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Nature of Operations and Summary of Significant Accounting Policies (Details 1) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Computation of basic and diluted loss per share
Net loss	$ (2,393,275)	$ (2,847,356)	$ (3,752,917)	$ (2,821,082)
Weighted average common shares outstanding - basic	26,473,938	25,013,284	26,246,642	24,700,047
Effect of dilutive common share equivalents
Weighted average common shares and share equivalents outstanding - diluted	26,473,938	25,013,284	26,246,642	24,700,047
Net loss per share - basic	$ (0.09)	$ (0.11)	$ (0.14)	$ (0.11)
Net loss per share - diluted	$ (0.09)	$ (0.11)	$ (0.14)	$ (0.11)

X

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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