CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,362)	$ (5,809)	$ (7,326)	$ (42,685)
Other comprehensive loss:
Foreign currency translation adjustments	39	(95)	31	(105)
Comprehensive loss	$ (3,323)	$ (5,904)	$ (7,295)	$ (42,790)