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 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)
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 income (loss)	(2,168)			(2,589)	421
Performance and restricted share expense	122		122
Share transactions under equity based plans (in shares)		32
Share transactions under equity based plans	$ (71)	$ 32	(103)
Ending balance (in shares) at Dec. 31, 2022	6,072	6,072
Ending balance at Dec. 31, 2022	$ 38,573	$ 6,072	$ 11,406	$ 29,367	$ (8,272)