Consolidated Statements of Stockholders' Equity (Deficit) (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning Balances at Jun. 30, 2011	$ (20,808)	$ 99	$ 67,606	$ (88,454)	$ (59)
Beginning Balances, Shares at Jun. 30, 2011		98,794
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,323		1,323
Exercise of options and warrants, shares		11,909
Exercise of options and warrants	19,759	12	19,747
Issuance of shares related to restricted stock (shares)		149
Repurchase of company stock, shares		(678)
Repurchase of company stock	(976)			(976)
Reclassification of liability warrants	16,478		16,478
Currency translation adjustment	38				38
Net income	12,469			12,469
Ending Balances at Jun. 30, 2012	28,283	111	105,154	(76,961)	(21)
Ending Balances, Shares at Jun. 30, 2012		110,174
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,169		2,169
Exercise of options and warrants, shares		7,270
Exercise of options and warrants	3,100	7	3,093
Issuance of shares related to restricted stock (shares)		2,616
Issuance of shares related to restricted stock	0	3	(3)
Repurchase of company stock, shares		(2,972)
Repurchase of company stock	(7,123)			(7,123)
Currency translation adjustment	(92)				(92)
Net income	7,608			7,608
Ending Balances at Jun. 30, 2013	33,945	121	110,413	(76,476)	(113)
Ending Balances, Shares at Jun. 30, 2013		117,088
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,606		2,606
Exercise of options and warrants, shares		5,185
Exercise of options and warrants	2,230	5	2,225
Issuance of shares related to restricted stock (shares)		225
Shares canceled or surrendered as payment of tax withholding (shares)		(686)
Repurchase of company stock, shares		(19,639)
Repurchase of company stock	(46,171)	(24)		(46,147)
Currency translation adjustment	(3)				(3)
Net income	11,383			11,383
Ending Balances at Jun. 30, 2014	$ 3,990	$ 102	$ 115,244	$ (111,240)	$ (116)
Ending Balances, Shares at Jun. 30, 2014		102,173