Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2018

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]

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

The following table summarizes fair value measurements at September 30, 2018 and September 30, 2017 for assets and liabilities measured at fair value on a recurring basis:

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
Derivative liabilities		—		—		—		—
Contingent Consideration	$	—	$	—	$	—	$	—

September 30, 2017:

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	24,838,567	$	—	$	—	$	24,838,567
Short-term investments		40,434,784		—		—		40,434,784
Derivative liabilities		—		—		695,114		695,114
Contingent Consideration	$	—	$	—	$	—	$	—

Warrant

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]

Reconciliation of Derivative Liability

The following is a reconciliation of the derivative liability related to these Warrants:

Value at September 30, 2017	$	695,114
Issuance of instruments		—
Change in value		(432,141	)
Net settlements		(262,973	)
Value at September 30, 2018	$	—