Business Segment Information - Long-Lived Assets by Geographic Areas (Details) - USD ($)	Sep. 30, 2023	Sep. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 126,020,298	$ 90,365,726
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	107,033,650	87,161,204
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 18,986,648	$ 3,204,522