Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements for Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes fair value measurements at December 31, 2018 and September 30, 2018 for assets and liabilities measured at fair value on a recurring basis:

December 31, 2018:

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	189,772,981	$	—	$	—	$	189,772,981
Short-term investments	$	53,381,623	$	—	$	—	$	53,381,623
Long-term investments	$	59,421,103	$	—	$	—	$	59,421,103
Contingent Consideration	$	—	$	—	$	—	$	—

September 30, 2018:

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	30,133,213	$	—	$	—	$	30,133,213
Short-term investments	$	45,971,126	$	—	$	—	$	45,971,126
Long-term investments	$	—	$	—	$	—	$	—
Contingent Consideration	$	—	$	—	$	—	$	—