Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Sep. 30, 2023	$ 5,566,000	$ 18,423,000	$ 35,000	$ 24,024,000
Balance (Shares) at Sep. 30, 2023	1,774
Cumulative change due to adoption of ASU 2016-13		(15,000)		(15,000)
Net income		1,115,000		1,115,000
Other comprehensive income (loss)			(29,000)	(29,000)
Balance at Sep. 30, 2024	$ 5,566,000	19,523,000	6,000	25,095,000
Balance (Shares) at Sep. 30, 2024	1,774
Cumulative change due to adoption of ASU 2016-13		(15,000)
Net income		908,000		908,000
Other comprehensive income (loss)			(6,000)	(6,000)
Balance at Sep. 30, 2025	$ 5,566,000	$ 20,431,000	$ 0	$ 25,997,000
Balance (Shares) at Sep. 30, 2025	1,774