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, 2020		5,916
Beginning balance at Sep. 30, 2020	$ 45,523	$ 5,916	$ 10,736	$ 42,339	$ (13,468)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	2,452			1,756	696
Performance and restricted share expense	378		378
Share transactions under equity based plans (in shares)		73
Share transactions under equity based plans	(16)	$ 73	(89)
Ending balance (in shares) at Jun. 30, 2021		5,989
Ending balance at Jun. 30, 2021	48,337	$ 5,989	11,025	44,095	(12,772)
Beginning balance (in shares) at Mar. 31, 2021		5,989
Beginning balance at Mar. 31, 2021	47,708	$ 5,989	10,940	43,841	(13,062)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	544			254	290
Performance and restricted share expense	85		85
Ending balance (in shares) at Jun. 30, 2021		5,989
Ending balance at Jun. 30, 2021	48,337	$ 5,989	11,025	44,095	(12,772)
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 income (loss)	(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 income (loss)	(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)