Stock-Based Compensation (Tables)

6 Months Ended

Jun. 28, 2013

Stockholders' Equity Note [Abstract]

Schedule Of Compensation Cost [Table Text Block]

The cost that has been charged against income for stock-based compensation is set forth below (in thousands):

		Three Months Ended				Six Months Ended
		June 28, 2013	June 29, 2012		June 28, 2013			June 29, 2012
Employee stock options	$	666	$	670	$	1,492	$	1,192
Restricted stock expense		252		135		435		263
Consultant compensation		66		(12)		92		26
Total	$	984	$	793	$	2,019	$	1,481

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.

	Three Months Ended				Six Months Ended
	June 28, 2013		June 29, 2012		June 28, 2013		June 29, 2012
Expected dividend yield	0	%	0	%	0	%	0	%
Expected volatility	72.08	%	79.59	%	73.37	%	79.35	%
Risk-free interest rate	0.70	%	0.87	%	0.62	%	0.85	%
Expected term (in years)	4.12		5.21		4.12		5.21

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of option activity under the Plan as of  June 28, 2013 is presented below:

	Options  Shares  (000’s)		Restricted Shares  (000’s)		Warrants  Shares  (000’s)
Outstanding at December 28, 2012		3,376		205		1,470
Granted		497		153		—
Exercised		(188)		(17)		—
Forfeited or expired		(25)		—		(70)
Outstanding at June 28, 2013		3,660		341		1,400
Exercisable at June 28, 2013		2,457		—		1,400