Stock Incentive Plan and Employee Stock Purchase Plan (Tables)

12 Months Ended

Jun. 30, 2016

Stock Incentive Plan and Employee Stock Purchase Plan

Summary of share-based compensation charges included in the Company's consolidated statements of operations and comprehensive loss

	Years ended June 30,
(in thousands)	2016		2015		2014
Cost of revenue	$	1,677	$	1,874	$	1,912
Research and development		2,564		2,971		2,585
Selling and marketing		2,633		2,945		2,059
General and administrative		5,764		6,140		4,757
	$	12,638	$	13,930	$	11,313

Schedule of option activity under the Company's Incentive Plan

(in thousands, except per share and term amounts)	Options Outstanding			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (In Years)		Aggregate Intrinsic Value (in thousands)
Balance at June 30, 2013		4,844		$	7.15		6.17	$	2,771
Options granted		—		$	—
Options exercised		(1,062	)	$	5.01
Options forfeited/expired		(573	)	$	9.49
Balance at June 30, 2014		3,209		$	7.44		5.38	$	8,251
Options granted		—		$	—
Options exercised		(529	)	$	4.84
Options forfeited/expired		(143	)	$	8.72
Balance at June 30, 2015		2,537		$	7.91		5.10	$	1,862
Options granted		—		$	—
Options exercised		(59	)	$	4.89
Options forfeited/expired		(101	)	$	7.53
Balance at June 30, 2016		2,377		$	8.00		3.97	$	452
Vested or Expected to vest at June 30, 2016		2,377		$	8.00		3.97	$	452
Exercisable at June 30, 2016		2,304		$	8.06		3.89	$	443

Summary of information about outstanding and exercisable options

        The following table summarizes information about outstanding and exercisable options at June 30, 2016:

	Options Outstanding						Options Exercisable
(in thousands, except years and exercise prices) Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Outstanding		Weighted Average Exercise Price
$4.00 - 4.01		332,613		4.49		4.01		332,613		4.01
$4.23 - 5.68		356,621		4.13		5.37		341,581		5.40
$5.74 - 6.28		443,640		5.33		6.15		416,552		6.14
$6.32 - 6.63		343,271		3.52		6.51		339,041		6.51
$6.75 - 6.82		13,500		5.22		6.77		13,500		6.77
$6.96		340,845		5.83		6.96		313,793		6.96
$7.06 - 28.47		546,686		1.52		15.28		546,686		15.28
Total Outstanding		2,377,176		3.97	$	8.00		2,303,766	$	8.06

Summary of activity of RSUs, PSUs and MSUs

(In thousands, except dollars) Unvested Restricted Stock	Restricted Stock Units (000's)			Performance Stock Units (000's)			Market Stock Units (000's)			Total Number of Shares Underlying Stock Awards (000's)			Weighted Average Grant Date Fair Value Per Share
Unvested at June 30, 2013		2,424			556			407			3,387		$	5.66
Granted		2,125			70			735			2,930			7.28
Vested		(888	)		(25	)		—			(913	)		8.70
Cancelled/Forfeited		(545	)		(576	)		(336	)		(1,457	)		5.44
Unvested at June 30, 2014		3,116			25			806			3,947			6.24
Granted		1,679			20			513			2,212			6.77
Vested		(1,150	)		(25	)		—			(1,175	)		6.73
Cancelled/Forfeited		(320	)		—			(181	)		(501	)		6.20
Unvested at June 30, 2015		3,325			20			1,138			4,483			6.86
Granted		2,563			—			585			3,148			6.12
Vested		(1,138	)		(20	)		(413	)		(1,571	)		6.81
Cancelled/Forfeited		(546	)		—			(148	)		(694	)		6.59
Unvested at June 30, 2016		4,204			—			1,162			5,366		$	6.48

Schedule of weighted average assumptions used for determining fair value of ESPP shares

	Years Ended June 30,
	2016	2015	2014
Risk-free interest rate	0.7% - 0.51%	0.07% - 0.26%	0.06% - 0.13%
Dividend yield	—	—	—
Expected life	0.5 - 1.0	0.5 - 1.0	0.5 - 1.0
Expected volatility	33.3% - 49.1%	27.1% - 41.3%	27.5% - 46.5%