Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	[2]	Dec. 31, 2018	Dec. 31, 2017	[2]
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,581)	$ (8,394)	[1]	$ (12,151)	$ (18,912)	[1],[3]
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(131)	209		(348)	568
Available-for-sale securities:
Unrealized gain (loss) on available-for-sale securities, net of tax	97	(241)		186	(213)
Reclassification adjustments for gain on available-for-sale securities recognized, net of tax	5	6		7	6
Net increase (decrease) from available-for-sale securities, net of tax	102	(235)		193	(207)
Other comprehensive income (loss), net of tax	(29)	(26)		(155)	361
Comprehensive loss	$ (4,610)	$ (8,420)		$ (12,306)	$ (18,551)

[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.