Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 28, 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				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Cost of sales	$	50	$	49	$	250	$	279
Research and development		355		291		1,236		951
Selling, general and administrative		781		619		2,476		2,024
Total share-based compensation	$	1,186	$	959	$	3,962	$	3,254

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				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Weighted average common shares		24,929		24,479		24,801		24,421
Effect of dilutive stock options		—		—		—		—
		24,929		24,479		24,801		24,421