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Income Taxes (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Components of income taxes
Income tax expense (benefit)	$ 96,119	$ (251,609)
Reconciliation of the statutory federal rate to the Company's effective income tax rate
Effective tax rates (as a percent)	23.00%	(42.00%)
Extension period of research and development tax credit	2 years

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- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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