Consolidated Statements of Stockholders' Equity (Unaudited) - 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 income		0	0	12,679	0	0	12,679
Other comprehensive income (loss)		0	0	0	506	0	506
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	128,601
Issuance of common stock pursuant to the vesting of restricted stock units		2	(2)	0	0	0	0
Stock-based compensation		0	406	0	0	0	406
Balance (in shares) at Dec. 31, 2023	13,317,090
Balance at Dec. 31, 2023		142	96,444	74,539	(17,318)	(7,500)	146,307
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 income		0	0	8,376	0	0	8,376
Other comprehensive income (loss)		0	0	0	(442)	0	(442)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	109,180
Issuance of common stock pursuant to the vesting of restricted stock units		1	(1)	0	0	0	0
Purchase of treasury stock (in shares)	(19,664)
Purchase of treasury stock		0	0	0	0	(197)	(197)
Stock-based compensation		0	349	0	0	0	349
Balance (in shares) at Dec. 31, 2024	12,798,897
Balance at Dec. 31, 2024		$ 143	$ 97,690	$ 63,658	$ (4,699)	$ (14,082)	$ 142,710