Investments (Tables)

9 Months Ended

Jun. 30, 2016

Equity [Abstract]

Summary of Short-term Investments

The following tables summarize the Company’s short-term investments as of June 30, 2016, and September 30, 2015.

	As of June 30, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Commercial notes (due within one year)	$	1,030,556	$	—	$	(26,716	)	$	1,003,840

	As of September 30, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Commercial notes (due within one year)	$	17,539,902	$	—	$	(304,942	)	$	17,234,960