Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 28, 2015

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
	March 28,			March 29,
	2015			2014
Cost of sales	$	115		$	75
Research and development		338			490
Selling, general and administrative		1,276			916
Total share-based compensation		1,729			1,481
Income tax benefit		(44	)		(41	)
Total share-based compensation, net	$	1,685		$	1,440

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
	March 28,		March 29,
	2015		2014
Weighted average common shares		25,751		25,123
Effect of dilutive stock options		—		—
		25,751		25,123