Consolidated Condensed Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Shares	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Sep. 30, 2023		6,105
Beginning balance at Sep. 30, 2023	$ 34,335	$ 6,105	$ 11,626	$ 23,264	$ (6,660)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(4,703)			(4,940)	237
Performance and restricted share expense	243		243
Share transactions under equity-based plans (in shares)		75
Share transactions under equity-based plans	(49)	$ 75	(124)
Ending balance (in shares) at Jun. 30, 2024		6,180
Ending balance at Jun. 30, 2024	29,826	$ 6,180	11,745	18,324	(6,423)
Beginning balance (in shares) at Mar. 31, 2024		6,190
Beginning balance at Mar. 31, 2024	29,656	$ 6,190	11,663	18,252	(6,449)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	98			72	26
Performance and restricted share expense	72		72
Share transactions under equity-based plans (in shares)		(10)
Share transactions under equity-based plans	0	$ (10)	10
Ending balance (in shares) at Jun. 30, 2024		6,180
Ending balance at Jun. 30, 2024	$ 29,826	$ 6,180	11,745	18,324	(6,423)
Beginning balance (in shares) at Sep. 30, 2024	6,158	6,158
Beginning balance at Sep. 30, 2024	$ 30,425	$ 6,158	11,775	17,881	(5,389)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	5,320			(300)	5,620
Performance and restricted share expense	134		134
Share transactions under equity-based plans (in shares)		22
Share transactions under equity-based plans	$ (34)	$ 22	(56)
Ending balance (in shares) at Jun. 30, 2025	6,180	6,180
Ending balance at Jun. 30, 2025	$ 35,845	$ 6,180	11,853	17,581	231
Beginning balance (in shares) at Mar. 31, 2025		6,190
Beginning balance at Mar. 31, 2025	32,367	$ 6,190	11,796	14,173	208
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	3,431			3,408	23
Performance and restricted share expense	47		47
Share transactions under equity-based plans (in shares)		(10)
Share transactions under equity-based plans	$ 0	$ (10)	10
Ending balance (in shares) at Jun. 30, 2025	6,180	6,180
Ending balance at Jun. 30, 2025	$ 35,845	$ 6,180	$ 11,853	$ 17,581	$ 231