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Stockholder' Equity (Tables)

12 Months Ended

Dec. 28, 2012

Stockholders' Equity Note [Abstract]

Schedule Of Compensation Cost [Table Text Block]

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

		Fiscal Year Ended
		December 28, 2012				December 30, 2011				December 31, 2010
Stock based compensation expense		$	2,595			$	1,361			$	852
Restricted stock expense			590				466				285
Consultant compensation			23				87				111
Total		$	3,208			$	1,914			$	1,248

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

The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant.

		Fiscal Year Ended
		December 28, 2012				December 30, 2011				December 31, 2010
Expected dividend yield			0	%			0	%			0	%
Expected volatility			79	%			77	%			80	%
Risk-free interest rate			.82	%			1.82	%			2.13	%
Expected term (in years)			5.21				5.49				5.60

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

A summary of option activity under the Plans as of December 28, 2012 is presented below:

Options		Shares (000’s)				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value (000’s)
Outstanding at December 30, 2011			3,064				4.79
Granted			680				10.31
Exercised			(324	)			4.67
Forfeited or expired			(44	)			6.87
Outstanding at December 28, 2012			3,376			$	5.89				6.32			$	19,873
Exercisable at December 28, 2012			2,176			$	4.62				4.99				10,061

Schedule of Nonvested Share Activity [Table Text Block]

A summary of the Company’s non-vested options as of December 28, 2012 and changes during the period is presented below:

Nonvested Options		Options (000’s)				Weighted- Average Grant Date Fair Value
Nonvested at December 30, 2011			1,085			$	5.35
Granted			680				6.65
Vested			(520	)			3.48
Forfeited			(44	)			4.47
Nonvested at December 28, 2012			1,201			$	5.31

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

The following table summarizes information about stock options outstanding and exercisable at December 28, 2012 (in thousands, except per share data):

Range of Exercise Prices		Number Outstanding at December 28, 2012				Options Outstanding Weighted-Average Remaining Contractual Life		Weighted- Average Exercise Price				Number Exercisable at December 28, 2012				Weighted- Average Exercise Price
$0.95			40			6.25 Years		$	.95				40				.95
$ 1.56 to $ 2.30			372			5.29 Years		$	2.21				372			$	2.21
$ 2.45 to $ 3.60			266			6.38 Years		$	3.25				203			$	3.20
$ 3.75 to $5.29			702			4.27 Years		$	4.29				631			$	4.23
$ 5.39 to $7.32			1,181			6.83 Years		$	5.86				748			$	5.91
$ 7.50 to $8.12			815			7.80Years		$	10.08				182			$	8.05
			3,376			6.32 Years		$	5.89				2,176			$	4.62

Schedule Of Warrant Activity [Table Text Block]

A summary of warrants to purchase Company stock issued to Broadwood as discussed in Note 10 as of December 28, 2012 is presented below:

Warrants		Shares (000’s)				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value (000’s)
Outstanding at December 30, 2011			1,470			$	4.10
Granted			—				—
Exercised			—				—
Forfeited or expired			—				—
Outstanding at December 28, 2012			1,470			$	4.10				1.62			$	6,020
Exercisable at December 28, 2012			1,470			$	4.10				1.62			$	6,020

Schedule Of Vested Restricted Sock Units Activity [Table Text Block]

A summary of restricted stock as of December 28, 2012 is presented below:

Restricted Stock		Shares (000’s)				Weighted Average Grant-Date Fair Value per Share
Outstanding at December 30, 2011			156			$	5.49
Granted			115				10.84
Forfeited			8				5.49
Vested			58				5.50
Outstanding at December 28, 2012			205			$	8.48

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