Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Share-based compensation classified, in the condensed consolidated interim financial statements

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Cost of sales	$	125	$	90	$	230	$	182
Research and development		337		266		660		602
Selling, general and administrative		789		582		1,405		1,202
Total share-based compensation		1,251		938		2,295		1,986
Income tax benefit		—		—		—		—
Total share-based compensation, net of tax	$	1,251	$	938	$	2,295	$	1,986

Computation of basic and diluted income per share

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Weighted average common shares		24,432		24,103		24,392		24,060
Effect of dilutive stock options		—		381		—		423
		24,432		24,484		24,392		24,483