Investments (Tables)

6 Months Ended

Mar. 31, 2016

Equity [Abstract]

Summary of Short and Long-term Investments

The following tables summarize the Company’s short- and long-term investments as of March 31, 2016, and September 30, 2015.

	As of March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Commercial notes (due within one year)	$	11,160,442	$	—	$	(122,512	)	$	11,037,930
Commercial notes (due after one year through two years)	$	—		—	$	—		$	—
Total	$	11,160,442	$	—	$	(122,512	)	$	11,037,930

	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
Commercial notes (due after one year through two years)	$	—		—	$	—		$	—
Total	$	17,539,902	$	—	$	(304,942	)	$	17,234,960