Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 4,514	$ (5,196)
Other comprehensive income:
Foreign currency translation	896	833
Other comprehensive income	896	833
Comprehensive income (loss)	$ 5,410	$ (4,363)