Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss)	$ 3,228	$ (6,574)	$ 7,768	$ (14,816)
Other comprehensive income (loss):
Change in unrealized gains (losses) on available-for-sale securities, net of tax	2	5	17	(2)
Dissolution of foreign subsidiary	38	0	38	0
Foreign currency translation adjustments	(246)	2,636	(1,588)	945
Total other comprehensive income (loss)	(206)	2,641	(1,533)	943
Total comprehensive income (loss)	$ 3,022	$ (3,933)	$ 6,235	$ (13,873)