Income Taxes (Details) - USD ($)			12 Months Ended
	Jan. 01, 2018	Dec. 22, 2017	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Current provision (benefit):
Federal			$ (309,401)		$ (3,440)
State			481	$ 1,749	5,239
Total current provision			(308,920)	1,749	1,799
Deferred provision
Federal					61,799
State			38	56	53
Total deferred provision			38	56	61,852
Total current and deferred provision			$ (308,882)	$ 1,805	$ 63,651
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%	34.00%	21.00%	21.00%	24.30%
Rate change due to tax reform (as a percent)			0.00%	0.00%	(9.00%)
State income taxes, net of federal benefit (as a percent)			(2.20%)	(0.90%)	1.90%
Permanent items (as a percent)			(6.30%)	0.80%	(0.10%)
Research and development tax credits (as a percent)			(10.60%)	(0.80%)	1.30%
Valuation allowance (as a percent)			(15.20%)	(20.20%)	(20.30%)
Change in unrecognized tax benefits (as a percent)			2.20%	0.20%	0.90%
123R cancellations and forfeitures			0.00%	0.00%	(0.80%)
Tax Law Changes: CARES Act			0.30%	0.00%	0.00%
Other			0.40%	0.00%	0.00%
Effective income tax rate (as a percent)			(10.40%)	0.10%	(1.80%)