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Income Taxes - Components of Income Tax Provision (Detail) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Current:
State	$ 3,200	$ 3,200	$ 3,200
Deferred:
Federal	(23,055,582)	(15,486,906)	(18,297,582)
State	(4,938,691)	(2,731,249)	(2,020,800)
Deferred Income Tax	(27,994,273)	(18,218,155)	(20,318,382)
Increase in deferred income tax asset valuation allowance	27,994,273	18,218,155	20,318,382
Total income tax provision	$ 3,200	$ 3,200	$ 3,200

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.