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(5) STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2012

Stock-based compensation expense

		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2012				2011				2012				2011
Operating expenses:
Research and development		$	360			$	73			$	664			$	148
General and administrative			655				33				1,129				197
Total stock-based compensation expense		$	1,015			$	106			$	1,793			$	345
Impact on basic and diluted net loss per common share		$	0.01			$	—			$	0.01			$	0.01

Schedule of share-based compensation

										Weighted-
										Average
						Weighted-				Remaining
						Average				Contractual
		Shares				Exercise				Term
		(in thousands)				Price				(Years)
Outstanding at January 1, 2012			50,106			$	0.31				9.42
Granted			14,650			$	0.56
Exercised			—
Expired and forfeited			(1,094	)		$	0.81
Outstanding at June 30, 2012			63,662			$	0.36				8.34

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64, 65, A240

-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.

+ Details

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X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

+ References

No definition available.

+ Details

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