Debt (Credit Agreement Interest Expense) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Debt [Abstract]
Amortization of discounts	$ 3,131,644	$ 4,037,320
Accretion of residual royalty agreement	1,416,169	572,293
Amortization of deferred issuance costs	73,609	96,443
Interest expense	$ 4,621,422	$ 4,706,056