Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (619)	$ (594)	$ (569)	$ (1,794)
Other comprehensive loss:
Foreign currency translation gain (loss) adjustments	172	(86)	2	(90)
Other comprehensive income (loss)	172	(86)	2	(90)
Total comprehensive loss	$ (447)	$ (680)	$ (567)	$ (1,884)