Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 428	$ 503	$ 385	$ 786
Other comprehensive income:
Foreign currency translation gain adjustments	(76)	125	62	123
Other comprehensive income (loss)	(76)	125	62	123
Total comprehensive income	$ 352	$ 628	$ 447	$ 909