INCOME TAXES (Details 1)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes Details 1
Income taxes benefit (expense) at statutory rate	34.00%	34.00%	35.00%
State income tax, net of federal benefit	(4.40%)	(4.70%)	(2.20%)
Permanent Differences
Gain/loss or revaluation of derivative warrant liability	7.80%	10.20%	(6.20%)
Stock-based compensation expense	(1.30%)	(2.60%)	(2.90%)
Other	(1.70%)	(2.20%)
R&D credits	(4.70%)		(0.60%)
Change in valuation allowance	(29.70%)	(34.70%)	(21.50%)

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 6.I)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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