Commitments and Contingencies - Lease balance sheet (Details) - USD ($)	Sep. 30, 2022	Sep. 30, 2021
Leases
Operating leases, Right-of-use asset	$ 70,360	$ 111,429
Operating lease liabilities	26,995	69,849
Financing lease liabilities	$ 16,018	$ 42,482
Operating leases, Weighted-average remaining lease term	1 year 7 months 6 days	2 years 7 months 6 days
Finance leases, Weighted-average remaining lease term	1 year 3 months 18 days	1 year 8 months 12 days
Operating leases, Weighted-average discount rate (as a percent)	7.50%	7.50%
Finance leases, Weighted-average discount rate (as a percent)	13.00%	9.50%