Income Taxes (Details) - USD ($)	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Current provision (benefit):
Federal	$ 95,818	$ (309,401)
State	9,911	481	$ 1,749
Total current provision (benefit)	105,729	(308,920)	1,749
Deferred provision (benefit)
Federal	(754,995)
State	(438,517)	38	56
Total deferred provision (benefit)	(1,193,511)	38	56
Total current and deferred provision (benefit)	$ (1,087,783)	$ (308,882)	$ 1,805
Reconciliation of the statutory federal rate to the Company's effective income tax rate
U.S. Federal statutory tax rate (as a percent)	21.00%	21.00%	21.00%
Rate change due to tax reform (as a percent)	0.00%	0.00%	0.00%
State income taxes, net of federal benefit (as a percent)	0.60%	(2.20%)	(0.90%)
Permanent items (as a percent)	0.20%	(6.30%)	0.80%
Research and development tax credits (as a percent)	(0.60%)	(10.60%)	(0.80%)
Valuation allowance (as a percent)	(47.90%)	(15.20%)	(20.20%)
Change in unrecognized tax benefits (as a percent)	(0.70%)	2.20%	0.20%
Tax Law Changes: CARES Act	0.00%	0.30%	0.00%
Other	(27.40%)	(10.40%)	0.10%
Effective income tax rate (as a percent)	0.00%	0.30%	0.00%