Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2019

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

The following table summarizes fair value measurements at December 31, 2019 and September 30, 2019 for assets and liabilities measured at fair value on a recurring basis:

December 31, 2019:

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	461,032,249	$	—	$	—	$	461,032,249
Short-term investments	$	41,331,841	$	—	$	—	$	41,331,841
Long-term investments	$	26,955,601	$	—	$	—	$	26,955,601
Contingent consideration	$	—	$	—	$	—	$	—

September 30, 2019:

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	221,804,128	$	—	$	—	$	221,804,128
Short-term investments	$	37,122,478	$	—	$	—	$	37,122,478
Long-term investments	$	45,051,251	$	—	$	—	$	45,051,251
Contingent consideration	$	—	$	—	$	—	$	—