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STOCK BASED COMPENSATION (Tables)

12 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based compensation expense

The following table shows total stock-based compensation expense included in the Consolidated Statements of Operations and Comprehensive Income for fiscal 2014, 2013 and 2012 (in thousands):

	Years Ended Years Ended June 30,
	2014				2013				2012
Cost of sales	$	590			$	446			$	117
Research and development	2,423				1,433				542
Sales, general and administrative	1,893				1,497				834
	$	4,906			$	3,376			$	1,493

Option activity for Company's stock incentive plans

The following is a summary of option activity for the Company’s stock incentive plans for fiscal 2014, 2013 and 2012:

	Common Stock Options Outstanding
	Number of Shares			Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value
										(In thousands)
Balance, June 30, 2011	6,171,707			$	0.72			6.44		$	43,135
Granted	161,000			10.44
Exercised	(2,885,470	)		0.28
Forfeitures and cancellations	(99,792	)		4.71
Balance, June 30, 2012	3,347,445			$	1.45			6.62		$	42,920
Granted	683,500			11.29
Exercised	(266,558	)		2.39
Forfeitures and cancellations	(150,125	)		5.68
Balance, June 30, 2013	3,614,262			$	3.07			6.17		$	52,330
Exercised	(849,635	)		2.46
Forfeitures and cancellations	(107,485	)		10.55
Balance, June 30, 2014	2,657,142			$	2.96			5.11		$	112,215
Vested and expected to vest as of June 30, 2014	2,635,599			$	2.89			5.09		$	111,482
Vested and exercisable as of June 30, 2014	2,233,533			$	1.60			4.56		$	97,363

Stock options outstanding by exercise price range

Additional information regarding options outstanding as of June 30, 2014 is as follows (in thousands, except weighted average exercise price amounts and contractual life):

		Options Outstanding									Options Exercisable
Range of Exercise Prices		Number of Options			Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price				Number of Options			Weighted Average Exercise Price
$0.01 - $0.04		75,270			3.17		$	0.01			75,270			$	0.01
$0.05 - $0.39		1,594,890			3.78		0.05				1,594,890			0.05
$0.40 - $5.11		370,220			6.28		3.07				319,027			2.99
$5.12 - $10.76		124,817			6.98		6.95				74,886			7.00
$10.77 - $11.74		321,500			8.37		10.77				107,537			10.77
$11.75 - $18.48		163,267			8.41		13.30				58,105			13.36
$18.49 - $18.70		2,907			7.51		18.49				1,406			18.49
$18.71 - $19.98		1,000			7.36		18.71				645			18.71
$19.99 - $26.28		3,271			7.48		21.43				1,767			21.17
$0.01 – $26.28		2,657,142			5.11		$	2.96			2,233,533			$	1.60

Fair value of employee stock options

For fiscal 2013 and 2012 the fair value of employee stock options was estimated using the following weighted average assumptions:

	Years Ended Years Ended June 30,
	2013				2012
Expected term	6.1 years				6.1 years
Expected volatility	52		%		49		%
Risk-free interest rate	0.9		%		1.6		%
Expected dividend yield	—				—
Weighted average grant date fair value	$	5.57			$	5.05

Activity of RSUs

The following table summarizes the activity of the RSUs made by the Company:

	Number of Shares			Weighted Average Grant Date Fair Value
Non-vested RSUs, June 30, 2011	488,385			$	2.66
RSUs granted	169,710			22.33
RSUs vested	(146,475	)		2.37
RSUs canceled	(58,000	)		8.04
Non-vested RSUs, June 30, 2012	453,620			$	9.42
RSUs granted	656,500			14.11
RSUs vested	(70,512	)		14.14
RSUs canceled	(294,702	)		5.29
Non-vested RSUs, June 30, 2013	744,906			$	14.74
RSUs granted	209,032			37.87
RSUs vested	(170,197	)		15.59
RSUs canceled	(234,039	)		16.18
Non-vested RSUs, June 30, 2014	549,702			$	22.65

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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