Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock	Unearned ESOP Shares	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Sep. 30, 2021	$ 71	$ 63,713	$ (1,242)	$ (3,235)	$ 39,281	$ (947)	$ 97,641
Balance (in Shares) at Sep. 30, 2021	7,097,825
Net income					7,919		7,919
Dividends paid on common stock					(1,427)		(1,427)
Other comprehensive income (loss)						(1,167)	(1,167)
Common stock acquired by ESOP				(98)			(98)
ESOP shares allocated		15		164			179
Purchase of treasury stock			(4,551)				(4,551)
Purchase of treasury stock (in Shares)	(352,697)
Stock-based compensation expense		6					6
Balance at Sep. 30, 2022	$ 71	63,734	(5,793)	(3,169)	45,773	(2,114)	98,502
Balance (in Shares) at Sep. 30, 2022	6,745,128
Net income					7,709		7,709
Treasury stock used for restricted stock plan		(405)	406		(1)
Treasury stock used for restricted stock plan (in Shares)	32,080
Retirement of 112,996 treasury shares		(1,242)	1,242
Dividends paid on common stock					(1,315)		(1,315)
Other comprehensive income (loss)						325	325
ESOP shares allocated		50		72			122
Purchase of treasury stock			(1,217)				(1,217)
Purchase of treasury stock (in Shares)	(103,024)
Stock-based compensation expense		664					664
Balance at Sep. 30, 2023	$ 71	$ 62,801	$ (5,362)	$ (3,097)	$ 52,166	$ (1,789)	$ 104,790
Balance (in Shares) at Sep. 30, 2023	6,674,184