Leases - Lessee (Details) - Supplemental balance sheet information related to leases - USD ($)	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Finance leases:
Property and equipment, gross	$ 434,573	$ 434,573	$ 434,573
Accumulated amortization	(397,016)	(385,311)	(345,535)
Property and equipment, net	$ 37,557	$ 49,262	$ 89,038
Weighted average remaining lease term Finance leases	1 year 7 months 17 days	1 year 10 months 13 days	2 years 7 months 20 days
Weighted average discount rate Finance leases	4.75%	4.72%	4.68%