CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (1,050)	$ (9,282)
Other comprehensive income:
Foreign currency translation adjustments	197	566
Total other comprehensive income	197	566
Total comprehensive loss	$ (853)	$ (8,716)