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Investments (Tables)

6 Months Ended

Mar. 31, 2019

Held To Maturity Securities Classified [Abstract]

Summary of Short-term and Long-term Investments

The following tables summarize the Company’s short-term and long-term investments as of March 31, 2019, and September 30, 2018.

		As of March 31, 2019
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Commercial notes (due within one year)		$	56,560,674			$	52,189			$	(162,798	)		$	56,450,065
Commercial notes (due within three years)		$	67,536,054			$	703,472			$	—			$	68,239,526
Total		$	124,096,728			$	755,661			$	(162,798	)		$	124,689,591

		As of September 30, 2018
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Commercial notes (due within one year)		$	46,400,176			$	—			$	(429,050	)		$	45,971,126
Commercial notes (due within three years)		$	—			$	—			$	—			$	—
Total		$	46,400,176			$	—			$	(429,050	)		$	45,971,126

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- References

No definition available.

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- Definition

Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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