Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (6,053)	$ (5,477)	$ (12,132)	$ (11,764)
Other comprehensive income (loss)
Change in unrealized gain on investments		5		13
Foreign currency translation adjustment		(18)	(7)	(25)
Change in unrealized gain on interest rate swap		28		254
Other comprehensive income (loss)		15	(7)	242
Comprehensive loss	$ (6,053)	$ (5,462)	$ (12,139)	$ (11,522)