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	(6,895)				(6,895)
Other comprehensive income (loss), net of tax	(3,161)			(3,161)
Issuance of common stock	372	$ 5	367
Issuance of common stock ,shares		91
Common stock options exercised, net	369	$ 1	368
Common stock option exercise ,shares		20
Purchase of common stock to pay employee taxes	(906)	$ (1)	905
Purchase of common stock to pay employee taxes ,shares		(20)
Stock-based compensation	3,399		3,399
Ending balance at Mar. 31, 2022	133,263	$ 700	24,827	(1,434)	109,170
Ending balance ,shares at Mar. 31, 2022		13,990
Beginning balance at Dec. 31, 2021	136,671	$ 699	22,644	75	113,253
Beginning balance, shares at Dec. 31, 2021		13,975
Net loss	(4,083)				(4,083)
Other comprehensive income (loss), net of tax	(1,509)			(1,509)
Issuance of common stock	372	$ 1	371
Issuance of common stock ,shares		10
Common stock options exercised, net	139		139
Common stock option exercise ,shares		6
Purchase of common stock to pay employee taxes	(46)		(46)
Purchase of common stock to pay employee taxes ,shares		(1)
Stock-based compensation	1,719		1,719
Ending balance at Mar. 31, 2022	133,263	$ 700	24,827	(1,434)	109,170
Ending balance ,shares at Mar. 31, 2022		13,990
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	(15,576)				(15,576)
Other comprehensive income (loss), net of tax	6,060			6,060
Issuance of common stock	453	$ 6	447
Issuance of common stock ,shares		112
Common stock options exercised, net	350	$ 1	349
Common stock option exercise ,shares		17
Purchase of common stock to pay employee taxes	(872)	$ 1	(871)
Purchase of common stock to pay employee taxes ,shares		24
Stock-based compensation	3,747		3,747
Ending balance at Mar. 31, 2023	102,554	$ 707	32,446	(3,814)	73,215
Ending balance ,shares at Mar. 31, 2023		14,134
Beginning balance at Dec. 31, 2022	107,261	$ 706	30,224	(4,617)	80,948
Beginning balance, shares at Dec. 31, 2022		14,126
Net loss	(7,733)				(7,733)
Other comprehensive income (loss), net of tax	803			803
Issuance of common stock	453	$ 1	(452)
Issuance of common stock ,shares		9
Common stock options exercised, net	$ 3		$ 3
Purchase of common stock to pay employee taxes ,shares	(15)	(1)	15
Stock-based compensation	$ 1,782		$ 1,782
Ending balance at Mar. 31, 2023	$ 102,554	$ 707	$ 32,446	$ (3,814)	$ 73,215
Ending balance ,shares at Mar. 31, 2023		14,134