Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Continuing Operations	Continuing Operations Additional Paid-in Capital	Discontinued Operations	Discontinued Operations Additional Paid-in Capital
Beginning balance (in shares) at Jun. 30, 2019		46,911
Beginning 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)		1,326
Issuance of common stock upon exercise of stock options	8,341	$ 1	8,340
Release of restricted stock units (in shares)		329
Release of restricted stock units, net of shares withheld for taxes	(1,272)	$ 1	(1,273)
Stock-based compensation expense						$ 1,752	$ 1,752	$ 887	$ 887
Foreign currency translation adjustment, net of tax	(310)			(310)
Unrealized loss on available-for-sale securities, net of tax	58			58
Net income (loss)	(3,954)				(3,954)
Ending balance (in shares) at Sep. 30, 2019		48,566
Ending balance at Sep. 30, 2019	96,142	$ 49	192,055	(1,729)	(94,233)
Beginning balance (in shares) at Jun. 30, 2020		47,342
Beginning balance at Jun. 30, 2020	$ 96,970	$ 47	192,170	(477)	(94,770)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	14	14
Issuance of common stock upon exercise of stock options	$ 67	$ 0	67
Release of restricted stock units (in shares)		162
Release of restricted stock units, net of shares withheld for taxes	(359)	$ 0	(359)
Issuance of common stock under employee stock purchase plan (in shares)		305
Issuance of common stock under employee stock purchase plan	1,204		1,204
Repurchase of common stock (in shares)		(300)
Repurchase of common stock	(1,630)		(1,027)		(603)
Stock-based compensation expense	2,857		2,857
Foreign currency translation adjustment, net of tax	360			360
Unrealized loss on available-for-sale securities, net of tax	(315)			(315)
Net income (loss)	3,335				3,335
Ending balance (in shares) at Sep. 30, 2020		47,523
Ending balance at Sep. 30, 2020	$ 102,489	$ 47	$ 194,912	$ (432)	$ (92,038)