Consolidated Condensed Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Sep. 30, 2021		5,987
Beginning balance at Sep. 30, 2021	$ 49,622	$ 5,987	$ 11,118	$ 41,596	$ (9,079)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(2,857)			(2,720)	(137)
Performance and restricted share expense	309		309
Share transactions under equity-based plans (in shares)		53
Share transactions under equity-based plans	(106)	$ 53	(159)
Ending balance (in shares) at Jun. 30, 2022		6,040
Ending balance at Jun. 30, 2022	46,968	$ 6,040	11,268	38,876	(9,216)
Beginning balance (in shares) at Mar. 31, 2022		6,040
Beginning balance at Mar. 31, 2022	49,748	$ 6,040	11,264	41,544	(9,100)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(2,784)			(2,668)	(116)
Performance and restricted share expense	4		4
Ending balance (in shares) at Jun. 30, 2022		6,040
Ending balance at Jun. 30, 2022	$ 46,968	$ 6,040	11,268	38,876	(9,216)
Beginning balance (in shares) at Sep. 30, 2022	6,040	6,040
Beginning balance at Sep. 30, 2022	$ 40,690	$ 6,040	11,387	31,956	(8,693)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(4,848)			(5,590)	742
Performance and restricted share expense	292		292
Share transactions under equity-based plans (in shares)		67
Share transactions under equity-based plans	$ (71)	$ 67	(138)
Ending balance (in shares) at Jun. 30, 2023	6,107	6,107
Ending balance at Jun. 30, 2023	$ 36,063	$ 6,107	11,541	26,366	(7,951)
Beginning balance (in shares) at Mar. 31, 2023		6,108
Beginning balance at Mar. 31, 2023	36,439	$ 6,108	11,455	27,000	(8,124)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(461)			(634)	173
Performance and restricted share expense	86		86
Share transactions under equity-based plans (in shares)		(1)
Share transactions under equity-based plans	$ (1)	$ (1)
Ending balance (in shares) at Jun. 30, 2023	6,107	6,107
Ending balance at Jun. 30, 2023	$ 36,063	$ 6,107	$ 11,541	$ 26,366	$ (7,951)