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Note 1 - Organization and Description of Business and Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2023

Notes Tables

Disclosure of Number of State Tax Jurisdictions That Remain Open to Examination [Table Text Block]

Year		*Number of State Tax Jurisdictions*
2023			22
2022			22
2021			22
2020			22
2019			19

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		*Fiscal Years Ended September 30,*
		*2023*								*2022*
		*Shares*				*Weighted Average Grant Date Fair Value per Share*				*Shares*				*Weighted Average Grant Date Fair Value per Share*
Non-vested balance at beginning of year			315,561			$	8.15				323,810			$	8.87
Granted			159,700				5.53				132,875				7.72
Vested ⁽¹⁾			(124,746	)			(8.22	)			(133,207	)			(9.42	)
Forfeited			(5,360	)			(8.12	)			(7,917	)			(8.76	)
Non-vested balance at end of year			345,155			$	6.91				315,561			$	8.15

Schedule of Non Vested Restricted Stock Unit Compensation [Table Text Block]

		*September 30, 2023*
		(In thousands, except years)
Unrecognized compensation expense related to RSUs		$	2,386
Weighted average remaining period to expense for RSUs (in years)			3.1