Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 695	$ 1,257	$ 1,081	$ 2,043
Other comprehensive income:
Foreign currency translation gain adjustments	(79)	21	(17)	144
Other comprehensive income (loss)	(79)	21	(17)	144
Total comprehensive income	$ 616	$ 1,278	$ 1,064	$ 2,187