Note 1 - Organization (Details Textual)	Mar. 31, 2022	Sep. 30, 2021
Number of Stores	162	162
Number of States in which Entity Operates	20	20

The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant