Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)	Jun. 30, 2024	Sep. 30, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 27,036,000	$ 26,895,000
Less accumulated depreciation and amortization	(11,000,000)	(10,883,000)
Property and equipment, net	16,036,000	16,012,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	11,615,000	11,609,000
Building and resort improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	13,250,000	13,262,000
Furniture, fixtures, equipment and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,029,000	895,000
Transportation equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	937,000	979,000
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 205,000	$ 150,000