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, 2021	12,969,542
Balance at Sep. 30, 2021		$ 137	$ 92,935	$ 72,510	$ (16,320)	$ (6,805)	$ 142,457
Net income (loss)		0	0	(22,856)	0	0	(22,856)
Other comprehensive income		0	0	0	1,007	0	1,007
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	124,262
Issuance of common stock pursuant to the vesting of restricted stock units		2	(2)	0	0	0	0
Purchase of treasury stock (in shares)	(72,563)
Purchase of treasury stock						(695)	(695)
Stock-based compensation		0	1,734	0	0	0	1,734
Balance (in shares) at Sep. 30, 2022	13,021,241
Balance at Sep. 30, 2022		139	94,667	49,654	(15,313)	(7,500)	121,647
Net income (loss)		0	0	12,206	0	0	12,206
Other comprehensive income		0	0	0	(2,511)	0	(2,511)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	167,248
Issuance of common stock pursuant to the vesting of restricted stock units		1	(1)	0	0	0	0
Stock-based compensation		0	1,374	0	0	0	1,374
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