Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning Balances, Shares at Jun. 30, 2013		16,732
Beginning Balances at Jun. 30, 2013	$ 33,945	$ 17	$ 110,517	$ (76,476)	$ (113)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,606		2,606
Exercise of options and warrants, shares		741
Exercise of options and warrants	2,209	$ 1	2,208
Issuance of shares related to restricted stock, shares		32
Issuance of shares related to restricted stock	0	$ 0	0
Shares canceled or surrendered as payment of tax withholding, shares		(98)
Repurchase of company stock, shares		(2,806)
Repurchase of company stock	(46,150)	$ (3)		(46,147)
Currency translation adjustment	(3)				(3)
Net income	11,383			11,383
Ending Balances, Shares at Jun. 30, 2014		14,601
Ending Balances at Jun. 30, 2014	3,990	$ 15	115,331	(111,240)	(116)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,737		1,737
Exercise of options and warrants, shares		376
Exercise of options and warrants	589	$ 0	589
Issuance of shares related to restricted stock, shares		189
Issuance of shares related to restricted stock	0	$ 0	0
Shares canceled or surrendered as payment of tax withholding, shares		(129)
Repurchase of company stock, shares		(1,079)
Repurchase of company stock	(9,843)	$ (1)		(9,842)
Currency translation adjustment	(135)				(135)
Net income	6,987			6,987
Ending Balances, Shares at Jun. 30, 2015		13,958
Ending Balances at Jun. 30, 2015	3,325	$ 14	117,657	(114,095)	(251)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,966		1,966
Exercise of options and warrants, shares		52
Exercise of options and warrants	527	$ 0	527
Issuance of shares related to restricted stock, shares		76
Issuance of shares related to restricted stock	0	$ 0	0
Shares canceled or surrendered as payment of tax withholding, shares		(58)
Currency translation adjustment	294				294
Net income	6,019			6,019
Ending Balances, Shares at Jun. 30, 2016		14,028
Ending Balances at Jun. 30, 2016	$ 12,131	$ 14	$ 120,150	$ (108,076)	$ 43