Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Sep. 30, 2023	13,188,489
Balance at Sep. 30, 2023		$ 140	$ 96,040	$ 61,860	$ (17,824)	$ (7,500)	$ 132,716
Net loss		0	0	(6,578)	0	0	(6,578)
Other comprehensive income (loss)		0	0	0	13,567	0	13,567
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	175,601
Issuance of common stock pursuant to the vesting of restricted stock units		2	(2)	0	0	0	0
Purchase of treasury stock (in shares)	(654,709)
Purchase of treasury stock		0	0	0	0	(6,385)	(6,385)
Stock-based compensation		0	1,304	0	0	0	1,304
Balance (in shares) at Sep. 30, 2024	12,709,381
Balance at Sep. 30, 2024		142	97,342	55,282	(4,257)	(13,885)	134,624
Net loss		0	0	(9,724)	0	0	(9,724)
Other comprehensive income (loss)		0	0	0	(281)	0	(281)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	172,880
Issuance of common stock pursuant to the vesting of restricted stock units		2	(2)	0	0	0	0
Purchase of treasury stock (in shares)	(61,559)
Purchase of treasury stock		0	0	0	0	(615)	(615)
Stock-based compensation		0	1,505	0	0	0	1,505
Balance (in shares) at Sep. 30, 2025	12,820,702
Balance at Sep. 30, 2025		$ 144	$ 98,845	$ 45,558	$ (4,538)	$ (14,500)	$ 125,509