Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (22,856)	$ (14,056)
Other comprehensive income (loss):
Change in unrealized losses on available-for-sale securities, net of tax		(15)
Foreign currency translation adjustments	1,007	393
Total other comprehensive income, net	1,007	378
Total comprehensive loss	$ (21,849)	$ (13,678)