Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (13,694)	$ (9,838)	$ (34,452)	$ (27,323)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	149	394	(446)	(183)
Available-for-sale securities:
Unrealized gain (loss) on available-for-sale securities, net of tax	61	362	(376)	129
Reclassification adjustments for gain (loss) on available-for-sale securities recognized, net of tax	13	14	3	20
Net increase (decrease) from available-for-sale securities, net of tax	74	376	(373)	149
Other comprehensive loss, net of tax	223	770	(819)	(34)
Comprehensive loss	$ (13,471)	$ (9,068)	$ (35,271)	$ (27,357)