Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Continuing Operations	Continuing Operations Additional Paid-in Capital	Discontinued Operations	Discontinued Operations Additional Paid-in Capital	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjustment Accumulated Deficit
Balance (in shares) at Jun. 30, 2017		43,946,000
Balance at Jun. 30, 2017	$ 141,704	$ 44	$ 159,666	$ (1,934)	$ (16,072)					$ (296)	$ (296)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		151,000
Issuance of common stock upon exercise of stock options	681	$ 0	681
Release of restricted stock units (shares)		774,000
Release of restricted stock units	(2,327)	$ 1	(2,328)
Stock-based compensation expense						$ 8,768	$ 8,768	$ 1,108	$ 1,108
Foreign currency translation adjustment, net of tax	539			539
Unrealized gain (loss) on available-for-sale securities, net of tax	(460)			(460)
Net loss	(40,834)				(40,834)
Balance (in shares) at Jun. 30, 2018		44,871,000
Balance at Jun. 30, 2018	108,883	$ 45	167,895	(1,855)	(57,202)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		1,477,000
Issuance of common stock upon exercise of stock options	8,853	$ 1	8,852
Release of restricted stock units (shares)		784,000
Release of restricted stock units	$ (1,982)	$ 1	(1,983)
Repurchases of common stock (in shares)	(221,333)	(221,000)
Repurchases of common stock	$ (1,303)		(714)		(589)
Stock-based compensation expense						7,404	7,404	895	895
Foreign currency translation adjustment, net of tax	(461)			(461)
Unrealized gain (loss) on available-for-sale securities, net of tax	839			839
Net loss	(32,488)				(32,488)
Balance (in shares) at Jun. 30, 2019		46,911,000
Balance at Jun. 30, 2019	$ 90,640	$ 47	182,349	(1,477)	(90,279)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	1,351,000	1,351,000
Issuance of common stock upon exercise of stock options	$ 8,467	$ 1	8,466
Release of restricted stock units (shares)		772,000
Release of restricted stock units	$ (1,775)	$ 1	(1,776)
Repurchases of common stock (in shares)	(1,692,207)	(1,692,000)
Repurchases of common stock	$ (9,353)	$ (2)	(5,790)		(3,561)
Stock-based compensation expense						$ 8,034	$ 8,034	$ 887	$ 887
Foreign currency translation adjustment, net of tax	(211)			(211)
Unrealized gain (loss) on available-for-sale securities, net of tax	1,211			1,211
Net loss	(930)				(930)
Balance (in shares) at Jun. 30, 2020		47,342,000
Balance at Jun. 30, 2020	$ 96,970	$ 47	$ 192,170	$ (477)	$ (94,770)