CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,768)	$ (1,050)
Other comprehensive income (loss):
Change in unrealized losses on available-for-sale securities, net of tax	(9)
Foreign currency translation adjustments	(133)	197
Total other comprehensive income (loss)	(142)	197
Total comprehensive loss	$ (6,910)	$ (853)