Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,330)	$ (829)	$ (8,992)	$ (1,128)
Foreign currency translation adjustments	(1,275)	886	(1,589)	(1,725)
Comprehensive income (loss)	$ (4,605)	$ 57	$ (10,581)	$ (2,853)