Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid- In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Deficit
Beginning balance at Sep. 30, 2021	$ 85,634	$ 143		$ 126,380	$ 14	$ (40,903)
Beginning balance (in shares) at Sep. 30, 2021		14,304,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	997					997
Translation adjustment	237				237
Stock compensation expense	103			103
Repurchase of treasury stock	(2,713)		$ (2,713)
Repurchase of treasury stock (in shares)			(291,000)
Retirement of treasury stock		$ (3)	$ 2,713	(2,122)		(588)
Retirement of treasury stock (in shares)		(291,000)	291,000
Stock options exercised	69			69
Stock options exercised (in shares)		12,000
Ending balance at Dec. 31, 2021	84,327	$ 140		124,430	251	(40,494)
Ending balance (in shares) at Dec. 31, 2021		14,025,000
Beginning balance at Sep. 30, 2021	85,634	$ 143		126,380	14	(40,903)
Beginning balance (in shares) at Sep. 30, 2021		14,304,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	2,962
Ending balance at Mar. 31, 2022	85,158	$ 139		123,534	353	(38,868)
Ending balance (in shares) at Mar. 31, 2022		13,887,000
Beginning balance at Dec. 31, 2021	84,327	$ 140		124,430	251	(40,494)
Beginning balance (in shares) at Dec. 31, 2021		14,025,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	1,965					1,965
Translation adjustment	102				102
Stock compensation expense	137			137
Repurchase of treasury stock	(1,402)		$ (1,402)
Repurchase of treasury stock (in shares)			(143,000)
Retirement of treasury stock		$ (1)	$ 1,402	(1,062)		(339)
Retirement of treasury stock (in shares)		(143,000)	143,000
Stock options exercised	29			29
Stock options exercised (in shares)		5,000
Ending balance at Mar. 31, 2022	85,158	$ 139		123,534	353	(38,868)
Ending balance (in shares) at Mar. 31, 2022		13,887,000
Beginning balance at Sep. 30, 2022	$ 98,368	$ 140		124,458	(1,767)	(24,463)
Beginning balance (in shares) at Sep. 30, 2022	13,994,154	13,994,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ (2,744)					(2,744)
Translation adjustment	416				416
Stock compensation expense	164			164
Stock options exercised	34			34
Stock options exercised (in shares)		9,000
Ending balance at Dec. 31, 2022	96,238	$ 140		124,656	(1,351)	(27,207)
Ending balance (in shares) at Dec. 31, 2022		14,003,000
Beginning balance at Sep. 30, 2022	$ 98,368	$ 140		124,458	(1,767)	(24,463)
Beginning balance (in shares) at Sep. 30, 2022	13,994,154	13,994,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ 460
Ending balance at Mar. 31, 2023	$ 100,297	$ 140		125,127	(967)	(24,003)
Ending balance (in shares) at Mar. 31, 2023	14,039,334	14,039,000
Beginning balance at Dec. 31, 2022	$ 96,238	$ 140		124,656	(1,351)	(27,207)
Beginning balance (in shares) at Dec. 31, 2022		14,003,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	3,204					3,204
Translation adjustment	384				384
Stock compensation expense	174			174
Stock options exercised	297			297
Stock options exercised (in shares)		36,000
Ending balance at Mar. 31, 2023	$ 100,297	$ 140		$ 125,127	$ (967)	$ (24,003)
Ending balance (in shares) at Mar. 31, 2023	14,039,334	14,039,000