Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive (Loss)Income [Member]	Retained Earnings [Member]
Beginning balance at Sep. 30, 2021	$ 140,085	$ 695	$ 21,598	$ 1,727	$ 116,065
Beginning balance, shares at Sep. 30, 2021		13,899
Net loss	(2,812)				(2,812)
Other comprehensive income (loss), net of tax	(1,652)			(1,652)
Issuance of common stock		$ 4	(4)
Issuance of common stock ,shares		81
Common stock options exercised, net	230	$ 1	229
Common stock option exercise ,shares		14
Purchase of common stock to pay employee taxes	(860)	$ (1)	(859)
Purchase of common stock to pay employee taxes ,shares		(19)
Stock-based compensation	1,680		1,680
Ending balance at Dec. 31, 2021	136,671	$ 699	22,644	75	113,253
Ending balance ,shares at Dec. 31, 2021		13,975
Beginning balance at Sep. 30, 2022	108,392	$ 701	28,774	(9,874)	88,791
Beginning balance, shares at Sep. 30, 2022		14,029
Net loss	(7,843)				(7,843)
Other comprehensive income (loss), net of tax	5,257			5,257
Issuance of common stock		$ 5	(5)
Issuance of common stock ,shares		103
Common stock options exercised, net	347	$ 1	346
Common stock option exercise ,shares		17
Purchase of common stock to pay employee taxes	(857)	$ (1)	(856)
Purchase of common stock to pay employee taxes ,shares		(23)
Stock-based compensation	1,965		1,965
Ending balance at Dec. 31, 2022	$ 107,261	$ 706	$ 30,224	$ (4,617)	$ 80,948
Ending balance ,shares at Dec. 31, 2022		14,126