Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	[2]
Statement of Comprehensive Income [Abstract]
Net loss	$ (7,943)	$ (10,369)	[1],[3]
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(217)	359
Available-for-sale securities:
Unrealized gain on available-for-sale securities, net of tax	89	28
Reclassification adjustments for gain on available-for-sale securities recognized, net of tax	2	0
Net increase from available-for-sale securities, net of tax	91	28
Other comprehensive income (loss), net of tax	(126)	387
Comprehensive loss	$ (8,069)	$ (9,982)

[1] See Note 1 for a summary of adjustments.

[2] See Note 1 for a summary of adjustments.

[3] See Note 1 for a summary of adjustments.