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Stockholders' Equity and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 29, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock- Based Compensation

A summary of stock option activity under the stock award plans as of December 29, 2012 and changes during the twelve month period is as follows:

	2012
	Shares			Weighted Average Exercise Price
Balance, beginning of year	1,903,325			$	5.07
Options forfeited/cancelled	(919,645	)		4.87
Options exercised	—			—
Balance, end of year	983,680			$	5.26
Exercisable, end of year	983,680

Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at December 29, 2012:

	Options Outstanding										Options Exercisable
Range of Exercise Prices	Number Outstanding				Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price				Number Exercisable				Weighted Average Exercise Price
$ 0.01—$ 3.50	130,000				4.00		$	3.49			130,000				$	3.49
$ 3.75—$ 4.82	215,400				3.97		3.76				215,400				3.76
$ 5.00—$ 8.03	538,280				2.23		5.40				538,280				5.40
$10.00—$10.00	100,000				4.00		10.00				100,000				10.00
	983,680				3.03		$	5.26			983,680				$	5.26
Aggregate intrinsic value on December 29, 2012	$	37,641									$	37,641

NonVested Restricted Common Stock

A summary of the activity for nonvested restricted common stock awards as of December 29, 2012 and changes during the twelve months then ended is presented below:

	Shares			Weighted Average Grant Fair Value
Balance, December 31, 2011	2,897,682			$	4.20
Granted	85,000			3.60
Forfeited	(28,066	)		4.35
Vested	(671,568	)		3.91
Balance, December 29, 2012	2,283,048			$	4.76

Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense related to employee stock options and nonvested restricted common stock awards for the fiscal years 2012, 2011 and 2010 (no tax benefits were recognized):

	2012				2011				2010
Cost of product revenues	$	513,789			$	613,274			$	590,950
Research and development	366,443				577,514				428,123
Selling, general and administrative	3,606,758				2,732,840				1,564,655
Total	$	4,486,990			$	3,923,628			$	2,583,728

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

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-Number 123R

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible).

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