Quarterly Results Of Operations (Details) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 4,071,567	$ 5,671,489	$ 6,056,236	$ 6,172,376	$ 3,651,178	$ 2,702,275	$ 11,311,287	$ 7,303,643	$ 21,971,668	$ 24,968,383	$ 47,062,259
Income (loss) before provision for income taxes	(3,313,251)	(2,172,594)	(716,723)	(665,720)	(2,512,182)	(4,433,155)	(27,441,814)	2,146,114
Net income (loss)	$ (3,764,200)	$ (1,356,594)	$ (499,723)	$ (596,720)	$ (1,834,122)	$ (3,555,215)	$ (20,454,814)	$ 1,892,114	$ (6,217,237)	$ (23,952,037)	$ (40,744,938)
Earnings (loss) per share	$ (0.14)	$ (0.05)	$ (0.02)	$ (0.03)	$ (0.07)	$ (0.21)	$ (1.24)	$ 0.11	$ (0.24)	$ (1.41)	$ (2.43)