Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Intangible Assets Net Excluding Goodwill [Abstract]
Intangible assets not subject to amortization, beginning balance			$ 944,935
Intangible assets not subject to amortization, ending balance	$ 944,935		944,935
Intangible assets subject to amortization, beginning balance			23,879,181
Intangible assets subject to amortization, Amortization	(425,107)	$ (438,770)	(1,289,206)	$ (607,801)
Intangible assets subject to amortization, ending balance	22,589,975		22,589,975
Total Intangible assets, beginning balance			24,824,116
Total Intangible assets, ending balance	$ 23,534,910		$ 23,534,910