Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 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					5,489		5,489
Dividends paid on common stock					(1,223)		(1,223)
Other comprehensive loss						(969)	(969)
Common stock acquired by ESOP				(98)			(98)
ESOP shares allocated		(1)		141			140
Balance at Jun. 30, 2022	$ 71	63,712	(1,242)	(3,192)	43,547	(1,916)	100,980
Balance (in Shares) at Jun. 30, 2022	7,097,825
Balance at Mar. 31, 2022	$ 71	63,697	(1,242)	(3,216)	41,634	(1,546)	99,398
Balance (in Shares) at Mar. 31, 2022	7,097,825
Net income					2,117		2,117
Dividends paid on common stock					(204)		(204)
Other comprehensive loss						(370)	(370)
ESOP shares allocated		15		24			39
Balance at Jun. 30, 2022	$ 71	63,712	(1,242)	(3,192)	43,547	(1,916)	100,980
Balance (in Shares) at Jun. 30, 2022	7,097,825
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					5,524		5,524
Dividends paid on common stock					(1,115)		(1,115)
Other comprehensive loss						186	186
Treasury stock used for restricted stock plan		(13)	13
Treasury stock used for restricted stock plan (in Shares)	1,000
ESOP shares allocated		42		56			98
Retirement of 112,996 treasury shares		(1,242)	1,242
Purchase of treasury stock			(940)				(940)
Purchase of treasury stock (in Shares)	(77,556)
Stock-based compensation expense		502					502
Balance at Jun. 30, 2023	$ 71	63,023	(5,478)	(3,113)	50,182	(1,928)	102,757
Balance (in Shares) at Jun. 30, 2023	6,668,572
Balance at Mar. 31, 2023	$ 71	64,096	(6,504)	(3,129)	48,456	(1,825)	101,165
Balance (in Shares) at Mar. 31, 2023	6,689,790
Net income					1,918		1,918
Dividends paid on common stock					(192)		(192)
Other comprehensive loss						(103)	(103)
ESOP shares allocated		8		16			24
Retirement of 112,996 treasury shares		(1,242)	1,242
Purchase of treasury stock			(216)				(216)
Purchase of treasury stock (in Shares)	(21,218)
Stock-based compensation expense		161					161
Balance at Jun. 30, 2023	$ 71	$ 63,023	$ (5,478)	$ (3,113)	$ 50,182	$ (1,928)	$ 102,757
Balance (in Shares) at Jun. 30, 2023	6,668,572