Note 7 - Lease Obligations (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)
Lessee, Operating Lease, Renewal Term (Year)	5 years		5 years
Operating Lease, Right-of-Use Asset	$ 307,078		$ 307,078		$ 316,388
Operating Lease, Liability, Total	327,982		327,982
Operating Lease, Expense	300	$ 300	700	$ 700
Early Lease Relocation Expense			100
Payments for Lease Termination Fee				300
Operating Lease, Right-of-Use Asset, Write-off				600
Operating Lease, Liability, Write-off				800
Pre-Opening Costs and Relocation Expenses for Stores Not Yet Opened Rent Expense				$ 200
Lessee, Operating Lease, Lease Not yet Commenced, Minimum Lease Payments	$ 29,900		$ 29,900
Chalet [Member]
Number of Operating Leases	4		4
Finance Lease, Number of Lease	1		1
Isely Family Land Trust LLC [Member]
Number of Operating Leases	1		1
FTVC, LLC [Member]
Number of Operating Leases	1		1
Related Parties [Member]
Operating Lease, Right-of-Use Asset	$ 7,100		$ 7,100
Operating Lease, Liability, Total	$ 7,400		$ 7,400
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	10 years		10 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	25 years		25 years