Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Intangible Assets Net Excluding Goodwill [Abstract]
Intangible assets not subject to amortization, beginning balance	$ 944,935
Intangible assets not subject to amortization, Impairment	(944,935)
Intangible assets not subject to amortization, ending balance		$ 944,935
Intangible assets subject to amortization, beginning balance	23,879,181
Intangible assets subject to amortization, Amortization	(1,714,313)	(1,046,571)	$ (54,653)
Intangible assets subject to amortization, ending balance	22,164,868	23,879,181
Total Intangible assets, beginning balance	24,824,116
Total Intangible assets, Impairment	(944,935)
Total Intangible assets, ending balance	$ 22,164,868	$ 24,824,116