Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-In Capital	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance (in shares) at Jun. 30, 2019				14,114	14,114
Beginning balance at Jun. 30, 2019	$ 27,199	$ 508	$ 27,707	$ 1	$ 1	$ 127,096	$ 127,096	$ (99,960)	$ 508	$ (99,452)	$ 62	$ 62
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,276					1,276
Exercise of options (in shares)				3
Exercise of options	11					11
Common stock issued under employee stock purchase plan (in shares)				32
Common stock issued under employee stock purchase plan	339					339
Shares canceled or surrendered as payment of tax withholding (in shares)				(4)
Shares canceled or surrendered as payment of tax withholding and other	(61)					(61)
Repurchase of company stock (in shares)				(111)
Repurchase of company stock	(1,393)							(1,393)
Currency translation adjustment	(16)										(16)
Net income	1,761							1,761
Ending balance (in shares) at Sep. 30, 2019				14,034
Ending balance at Sep. 30, 2019	29,624			$ 1		128,661		(99,084)			46
Beginning balance (in shares) at Jun. 30, 2019				14,114	14,114
Beginning balance at Jun. 30, 2019	27,199	$ 508	$ 27,707	$ 1	$ 1	127,096	$ 127,096	(99,960)	$ 508	$ (99,452)	62	$ 62
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,064
Ending balance (in shares) at Dec. 31, 2019				14,293
Ending balance at Dec. 31, 2019	29,098			$ 1		125,858		(96,793)			32
Beginning balance (in shares) at Sep. 30, 2019				14,034
Beginning balance at Sep. 30, 2019	29,624			$ 1		128,661		(99,084)			46
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,503					1,503
Exercise of options (in shares)				21
Exercise of options	54					54
Common stock issued under equity award plans (in shares)				659
Shares canceled or surrendered as payment of tax withholding (in shares)				(281)
Shares canceled or surrendered as payment of tax withholding and other	(4,360)					(4,360)
Repurchase of company stock (in shares)				(140)
Repurchase of company stock	(2,012)							(2,012)
Currency translation adjustment	(14)										(14)
Net income	4,303							4,303
Ending balance (in shares) at Dec. 31, 2019				14,293
Ending balance at Dec. 31, 2019	29,098			$ 1		125,858		(96,793)			32
Beginning balance (in shares) at Jun. 30, 2020				14,313
Beginning balance at Jun. 30, 2020	33,254			$ 1		126,416		(93,307)			144
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	520					520
Exercise of options (in shares)				2
Exercise of options	$ 11					11
Common stock issued under equity award plans (in shares)				74
Common stock issued under employee stock purchase plan (in shares)	23
Common stock issued under employee stock purchase plan	$ 246					246
Shares canceled or surrendered as payment of tax withholding (in shares)				(38)
Shares canceled or surrendered as payment of tax withholding and other	(506)					(506)
Repurchase of company stock (in shares)				(136)
Repurchase of company stock	(2,000)							(2,000)
Currency translation adjustment	160										160
Net income	2,451							2,451
Ending balance (in shares) at Sep. 30, 2020				14,238
Ending balance at Sep. 30, 2020	34,136			$ 1		126,687		(92,856)			304
Beginning balance (in shares) at Jun. 30, 2020				14,313
Beginning balance at Jun. 30, 2020	$ 33,254			$ 1		126,416		(93,307)			144
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of company stock (in shares)	(500)
Net income	$ 6,263
Ending balance (in shares) at Dec. 31, 2020				14,151
Ending balance at Dec. 31, 2020	35,516			$ 1		128,011		(93,044)			548
Beginning balance (in shares) at Sep. 30, 2020				14,238
Beginning balance at Sep. 30, 2020	34,136			$ 1		126,687		(92,856)			304
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	999					999
Exercise of options (in shares)				202
Exercise of options	991					991
Common stock issued under equity award plans (in shares)				101
Shares canceled or surrendered as payment of tax withholding (in shares)				(25)
Shares canceled or surrendered as payment of tax withholding and other	(666)					(666)
Repurchase of company stock (in shares)				(365)
Repurchase of company stock	(4,000)							(4,000)
Currency translation adjustment	244										244
Net income	3,812							3,812
Ending balance (in shares) at Dec. 31, 2020				14,151
Ending balance at Dec. 31, 2020	$ 35,516			$ 1		$ 128,011		$ (93,044)			$ 548