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STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2012

Stock- Based Compensation

A summary of award activity under the stock option plans as of June 30, 2012 and changes during the six month period is as follows (all options were vested as of June 30, 2012):

		Six months ended June 30, 2012
		Shares				Weighted Average Exercise Price
Balance, December 31, 2011			1,903,325			$	5.07
Options forfeited/cancelled			(64,710	)			8.00
Options exercised			—				—
Balance, all exercisable, June 30, 2012			1,838,615			$	4.97

Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at June 30, 2012:

		Options Outstanding and Exercisable
Range of Exercise Prices		Number Outstanding and Exercisable				Weighted Average Remaining Contractual Life (Years)				Weighted Average Exercise Price
$ 0.01—$ 3.50			130,000				4.00			$	3.49
$ 3.75—$ 4.82			1,069,460				1.60				4.45
$ 5.00—$ 8.72			539,155				2.23				5.40
$10.00—$13.00			100,000				4.00				10.00
			1,838,615				2.08			$	4.97
Aggregate intrinsic value on June 30, 2012		$	1,450

NonVested Restricted Common Stock

A summary of the activity for non-vested restricted common stock awards as of June 30, 2012 and changes during the six 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			(16,219	)			4.38
Vested			(78,000	)			3.54
Balance, June 30, 2012			2,888,463			$	4.20

Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense within each of the categories below as it relates to non-vested restricted common stock awards for the six months ended June 30, 2012 and June 25, 2011 (no tax benefits were recognized):

		Six Months Ended
		June 30, 2012				June 25, 2011
Cost of product revenues		$	265,503			$	296,866
Research and development			174,101				288,969
Selling, general and administrative			1,784,224				884,689
Total		$	2,223,828			$	1,470,524

X

- Definition

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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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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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