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FAIR VALUE MEASUREMENTS (Details 3) (USD $) | 3 Months Ended | 9 Months Ended | 194 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended |  | 1 Months Ended | 3 Months Ended |
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Sep. 30, 2012 | Sep. 30, 2012 | Sep. 30, 2012 | Feb. 28, 2007 Warrants | Sep. 30, 2012 Warrants | Sep. 30, 2011 Warrants | Sep. 30, 2012 Warrants | Sep. 30, 2011 Warrants | Dec. 31, 2011 Warrants | Dec. 31, 2010 Warrants | Dec. 31, 2009 Warrants | Mar. 31, 2012 Economic Rights | Sep. 30, 2012 Economic Rights | Sep. 30, 2012 Economic Rights | Mar. 31, 2012 Economic Rights Minimum | Sep. 30, 2012 Economic Rights Minimum | Mar. 22, 2012 Economic Rights Minimum | Mar. 31, 2012 Economic Rights Maximum | Sep. 30, 2012 Economic Rights Maximum | Mar. 22, 2012 Economic Rights Maximum
Fair value measurements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount to be paid as percentage of future litigation settlement amount received |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
Fair value of the liability |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,100,000 | $ 1,100,000 |  |  |  |  |  |
Change in fair value of the derivative | 63,000 | (27,000) | (27,000) |  |  |  |  |  |  |  |  |  | 63,000 | (27,000) |  |  |  |  |  |
Fair value of the warrants |  |  |  | 6,800,000 |  |  |  |  | 51,000 | 700,000 |  |  |  |  |  |  |  |  |  |
Warrants Liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility (as a percent) |  |  |  | 85.00% |  |  |  |  | 106.00% | 121.00% |  |  |  |  | 25.00% | 25.00% |  | 75.00% | 75.00% |
Amount of award or settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 | 10,000,000 |  | 20,000,000 | 20,000,000
Timing of cash flows |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 months | 3 months |  | 2 years 3 months 7 days | 1 year 9 months 7 days |
Royalty rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 6.00% | 6.00% |  |  |  |  |  |  |
Litigation expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 1,000,000 |  | 3,000,000 | 3,000,000 |
Risk free interest rate (as a percent) |  |  |  | 4.68% |  |  |  |  | 0.25% | 1.02% |  |  |  |  |  |  |  |  |  |
Expected dividend yield over expected term (as a percent) |  |  |  | 0.00% |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |
Contractual life |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected term |  |  |  |  |  |  | 1 year 4 months 17 days |  | 2 years 1 month 17 days | 3 years 1 month 17 days |  |  |  |  |  |  |  |  |  |
Change in valuation of liability |  |  |  |  | $ 1,000 | $ 400,000 | $ 51,000 | $ 600,000 | $ 629,000 | $ (300,000) | $ (300,000) |  |  | $ (27,000) |  |  |  |  |  |

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- Definition Represents the fair value of contractual rights of investors under a financing agreement, to receive cash equal to a specified percentage of any future litigation settlement related to the specified intellectual property, subject to a cap. + References No definition available. + Details
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- Definition Represents the assumptions that take into consideration the cap on the amount that the Company would have to pay investors in the event of an award or settlement. + References No definition available. + Details
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- Definition Contractual life of the instrument, asset or liability, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Represents the timing of cash flows assumptions, in PnYnMnDTnHnMnS format, for example, P1Y5M13D represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Represents the amount to be paid as percentage of future litigation settlement amount received related to the specified intellectual property, subject to a cap. + References No definition available. + Details
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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in earnings, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) -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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- Definition Portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents warrants not settleable in cash classified as equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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