Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (16,098)	$ (9,335)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	359	66
Available-for-sale securities:
Unrealized gain (loss) on available-for-sale securities, net of tax	28	(138)
Reclassification adjustments for gain (loss) on available-for-sale securities recognized, net of tax	0	(6)
Net increase (decrease) from available-for-sale securities, net of tax	28	(144)
Other comprehensive income (loss), net of tax	387	(78)
Comprehensive loss	$ (15,711)	$ (9,413)