Note 1 - Organization (Details Textual)	Jun. 30, 2021	Sep. 30, 2020
Number of Stores	161	159
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