Stock-Based Compensation (Tables)

3 Months Ended

Sep. 28, 2013

Assumptions Used to Value Stock Option Grants

The assumptions used in this model to value stock option grants for the three months ended September 28, 2013 and September 29, 2012 were as follows:

	Three Months Ended
	September 28, 2013		September 29, 2012
Stock options:
Expected life		—		5.1 years
Risk-free interest rate		—		0.7	%
Volatility		—		82.9	%
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 for the three months ended September 28, 2013 and September 29, 2012 were as follows:

	Three Months Ended
	September 28, 2013			September 29, 2012
	(Thousands)
Stock-based compensation by category of expense:
Cost of revenues	$	252		$	274
Research and development		246			319
Selling, general and administrative		465			780
	$	963		$	1,373
Stock-based compensation by type of award:
Stock options	$	331		$	746
Restricted stock awards		658			517
Purchase rights under ESPP		—			180
Inventory adjustment to cost of revenues		(26	)		(70	)
	$	963		$	1,373