STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Dec. 27, 2014

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

Assumptions Used to Value Stock Option Grants

The assumptions used in this model to value stock option grants were as follows:

	Three Months Ended				Six Months Ended
	December 27, 2014		December 28, 2013		December 27, 2014		December 28, 2013
Stock options:
Expected life	5.3 years		5.3 years		5.3 years		5.3 years
Risk-free interest rate	1.6	%	1.5	%	1.6	%	1.5	%
Volatility	76.0	%	82.2	%	76.9	%	82.2	%
Dividend yield	—		—		—		—

Amounts Included in Cost of Revenues and Operating Expenses for Stock-Based Compensation

The amounts included in cost of revenues and operating expenses for stock-based compensation were as follows:

	Three Months Ended				Six Months Ended
	December 27, 2014		December 28, 2013		December 27, 2014		December 28, 2013
	(Thousands)
Stock-based compensation by category of expense:
Cost of revenues	$	576	$	250	$	906	$	502
Research and development	410		206		742		452
Selling, general and administrative	770		390		1,394		855
	$	1,756	$	846	$	3,042	$	1,809
Stock-based compensation by type of award:
Stock options	$	88	$	262	$	230	$	593
Restricted stock awards	1,551		566		2,736		1,224
Inventory adjustment to cost of revenues	117		18		76		(8		)
	$	1,756	$	846	$	3,042	$	1,809