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)	3,491			2,993	498
Performance and restricted share expense	143		143
Share transactions under equity based plans (in shares)		43
Share transactions under equity based plans	(16)	$ 43	(59)
Ending balance (in shares) at Dec. 31, 2020		5,959
Ending balance at Dec. 31, 2020	49,141	$ 5,959	10,820	45,332	(12,970)
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)	(3,695)			(3,691)	(4)
Performance and restricted share expense	161		161
Share transactions under equity based plans (in shares)		16
Share transactions under equity based plans	(107)	$ 16	(123)
Ending balance (in shares) at Dec. 31, 2021		6,003
Ending balance at Dec. 31, 2021	$ 45,981	$ 6,003	$ 11,156	$ 37,905	$ (9,083)