Income Taxes - Provision for Income Taxes (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
State:
Current	$ 2,400	$ 2,400
Total State	2,400	2,400
Provision from income taxes	$ 2,400	$ 2,400	$ 5,300