Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,128)	$ (7,570)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(310)	(217)
Available-for-sale securities:
Unrealized gain on available-for-sale securities, net of tax	59	89
Reclassification adjustments for (loss) gain on available-for-sale securities recognized, net of tax	(1)	2
Net increase from available-for-sale securities, net of tax	58	91
Other comprehensive loss, net of tax	(252)	(126)
Comprehensive loss	$ (6,380)	$ (7,696)