CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) - 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 loss	$ (449)	$ (3,362)	$ (2,680)	$ (7,326)
Other comprehensive loss:
Foreign currency translation adjustments	4	39	45	31
Comprehensive loss	$ (445)	$ (3,323)	$ (2,635)	$ (7,295)