CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative effect of adoption of accounting principle	Previously Reported	Common Stock	Common Stock Previously Reported	Additional Paid-In Capital	Additional Paid-In Capital Previously Reported	Accumulated Deficit	Accumulated Deficit Cumulative effect of adoption of accounting principle	Accumulated Deficit Previously Reported	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Previously Reported
Beginning balances (in shares) at Jun. 30, 2017				14,232
Beginning balances at Jun. 30, 2017	$ 14,527			$ 14		$ 121,599		$ (106,992)			$ (94)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,990					2,990
Exercise of options and warrants (in shares)				21
Exercise of options and warrants	61					61
Issuance of shares related to restricted stock (in shares)				190
Common stock issued under equity award plans	0
Shares canceled or surrendered as payment of tax withholding (in shares)				(66)
Shares canceled or surrendered as payment of tax withholding	0
Repurchase of company stock (in shares)				(304)
Repurchase of company stock	(1,500)							(1,500)
Change in par value of common stock				$ (13)		13
Currency translation adjustment	108										108
Net income	5,761							5,761
Ending balances (in shares) at Jun. 30, 2018				14,073	14,073
Ending balances at Jun. 30, 2018	21,944	$ (3)	$ 21,947	$ 1	$ 1	124,663	$ 124,663	(102,734)	$ (3)	$ (102,731)	14	$ 14
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,899					4,899
Exercise of options and warrants (in shares)				155
Exercise of options and warrants	701					701
Issuance of shares related to restricted stock (in shares)				515
Common stock issued under equity award plans	0
Shares canceled or surrendered as payment of tax withholding (in shares)				(240)
Shares canceled or surrendered as payment of tax withholding	(3,167)					(3,167)
Repurchase of company stock (in shares)				(389)
Repurchase of company stock	(4,655)							(4,655)
Currency translation adjustment	48										48
Net income	7,429							7,429
Ending balances (in shares) at Jun. 30, 2019				14,114	14,114
Ending balances at Jun. 30, 2019	27,707	$ 508	$ 27,199	$ 1	$ 1	127,096	$ 127,096	(99,452)	$ 508	$ (99,960)	62	$ 62
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,837					4,837
Common stock issued under employee stock purchase plan (in shares)				64
Common stock issued under employee stock purchase plan	653					653
Exercise of options and warrants (in shares)				25
Exercise of options and warrants	76					76
Issuance of shares related to restricted stock (in shares)				910
Common stock issued under equity award plans	0
Shares canceled or surrendered as payment of tax withholding (in shares)				(413)
Shares canceled or surrendered as payment of tax withholding	$ (6,246)					(6,246)
Repurchase of company stock (in shares)	(400)			(387)
Repurchase of company stock	$ (5,404)							(5,404)
Currency translation adjustment	82										82
Net income	11,549							11,549
Ending balances (in shares) at Jun. 30, 2020				14,313
Ending balances at Jun. 30, 2020	$ 33,254			$ 1		$ 126,416		$ (93,307)			$ 144