Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 29, 2013

Accounting Policies [Abstract]

Schedule of Reported Share-Based Compensation in Condensed Consolidated Interim Financial Statements

Reported share-based compensation is classified, in the condensed consolidated interim financial statements, as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 29, 2013		June 30, 2012		June 29, 2013		June 30, 2012
Cost of sales	$	132	$	125	$	200	$	230
Research and development		366		337		881		660
Selling, general and administrative		857		789		1,695		1,405
Total share-based compensation		1,355		1,251		2,776		2,295
Income tax benefit		—		—		—		—
Total share-based compensation, net of tax	$	1,355	$	1,251	$	2,776	$	2,295

Computation of Basic and Diluted Income (Loss) Per Share

The following table reconciles the denominators used in computing basic and diluted income (loss) per share (in thousands):

	Three Months Ended				Six Months Ended
	June 29, 2013		June 30, 2012		June 29, 2013		June 30, 2012
Weighted average common shares		24,817		24,432		24,737		24,392
Effect of dilutive stock options		—		—		—		—
		24,817		24,432		24,737		24,392