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PREFERRED STOCK (Details) (USD $) | 0 Months Ended | 12 Months Ended |  |  | 0 Months Ended | 12 Months Ended | 0 Months Ended |  | 0 Months Ended |  | 0 Months Ended | 12 Months Ended |  |  |  |  | 0 Months Ended | 12 Months Ended |  |
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Feb. 04, 2008 | Nov. 07, 2007 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Feb. 04, 2008 Warrants [Member] | Nov. 07, 2007 Warrants [Member] | Dec. 31, 2012 Warrants [Member] | Nov. 07, 2007 SCO Capital Partners LLC and Affiliates [Member] | Dec. 31, 2012 SCO Capital Partners LLC and Affiliates [Member] | Nov. 07, 2007 Oracle Partners LP and affiliates [Member] | Nov. 10, 2011 Common Stock [Member] | Feb. 04, 2008 Series A Convertible Preferred Stock [Member] | Nov. 07, 2007 Series A Convertible Preferred Stock [Member] | Dec. 31, 2012 Series A Convertible Preferred Stock [Member] | Dec. 31, 2011 Series A Convertible Preferred Stock [Member] | Oct. 25, 2012 Series A Convertible Preferred Stock [Member] | Nov. 10, 2011 Series A Convertible Preferred Stock [Member] | Dec. 14, 2010 Series A Convertible Preferred Stock [Member] | Jan. 26, 2010 Series A Convertible Preferred Stock [Member] | Nov. 07, 2007 Series A Convertible Preferred Stock [Member] SCO Capital Partners LLC and Affiliates [Member] | Nov. 07, 2007 Series A Convertible Preferred Stock [Member] Oracle Partners LP and affiliates [Member] | Dec. 31, 2012 Series B Convertible Preferred Stock [Member] | Oct. 25, 2012 Series B Convertible Preferred Stock [Member] | Dec. 31, 2011 Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stock - par value (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.01
Stock issue price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.45 |  |  | $ 10,000 |  |  |  |  |  |  |  |  | $ 10,000 |
Warrants exercise price (in dollars per share) |  |  |  |  |  | $ 3.50 |  |  |  |  |  |  |  | $ 3.50 | $ 3.50 | $ 3.50 |  | $ 0.50 | $ 1.45 | $ 2.55 | $ 3.00 |  |  |  | $ 0.50 |
Initial conversion price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.00 |  | $ 3.00 |  |  |  |  |  |  |  |  | $ 0.50 |
Number of individuals to designate rights to serve on the Board of Directors |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock convertible into common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58,267,234 | 20,264,551 |  |  |  |  |  |  |  |  |
Increase in shares of common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 38,002,683 | 8,584,715 |  |  |  |  |  |  |  |  |
Warrants granted to acquire shares of common stock (in shares) |  |  | 3,895,047 |  |  |  |  |  |  |  |  |  |  | 454,167 | 1,589,999 | 4,149,464 |  |  |  |  |  |  |  |  | 20,000,000 |
Sale of newly created preferred stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 272.50 | 954.0001 |  |  |  |  |  |  |  |  | 1,000 |  |
Aggregate purchase price of Preferred Stock and Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,725,000 | $ 9,540,001 |  |  |  |  |  |  |  |  | $ 10,000,000 |  |
Secured convertible notes |  |  |  |  |  |  |  |  |  | 6,000,000 |  | 4,015,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued on conversion of Secured Convertible notes (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,836.0512 | 437.3104 |  |  |
Warrants issued to purchase shares of common stock (in shares) |  |  |  |  |  |  |  |  |  | 1,122,031 |  | 728,850 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  | 11,628,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of warrants for placement agent fees (in shares) | 45,417 | 209,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercisable period of warrants | 6 years | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants (in dollars per share) | $ 2.29 | $ 2.59 | $ 3.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend yield (in hundredths) |  |  |  |  |  |  | 0.00% | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk-free interest rate (in hundredths) |  |  |  |  |  |  | 2.75% | 3.84% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility rate (in hundredths) |  |  |  |  |  |  | 110.00% | 110.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected term |  |  |  |  |  |  | 6 years | 6 years | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,444,000 |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability - preferred stock |  |  | 9,200,000 | 4,430,000 | 5,840,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on derivative |  |  | 4,770,000 | 1,410,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on derivative |  |  | 1,236,000 | 3,580,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued potential liquidated damages |  |  | 857,000 | 857,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Potential liquidated damages (in hundredths) |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New investment for purchase agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,703,000 |  |
Conversion of outstanding dividends payable on preferred stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,297,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock, conversion basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Series A Preferred Stock, equal to the greater of (i) (A) two times (2x) the Stated Value for the Series B Preferred Stock, plus any accumulated and unpaid dividends (whether or not declared) on the Series B Preferred Stock if such liquidation takes place prior to the fifth anniversary of the original issue date or (B) three times (3x) the Stated Value for the Series B Preferred Stock, plus any accumulated and unpaid dividends (whether or not declared) on the Series B Preferred Stock if such liquidation takes place on or after to the fifth anniversary of the original issue date, or (ii) the cash or other property distributable upon such liquidation with respect to the shares of Common Stock into which such shares of Series B Preferred Stock, including any accrued dividends thereon, could have been converted immediately prior to such payment. "Stated Value" shall mean $10,000 per share of Series B Preferred Stock, as it may be increased from time to time as set forth in the Certificate of Designations. The Series B Preferred Stock is also entitled to a dividend of 12% per annum, payable quarterly in cash or additional Stated Value, at the election of the majority holders at time of payment. |  |
Preferred stock, stated value (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  |
Minimum common stock price To exceed For mandatory conversation (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5.00 |  |
Number of consecutive trading days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |
Preferred stock dividends accrued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,266,000 |  |  |  |  |  |  |  | $ 220,000 |  |

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 26 -Paragraph 20, 21 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
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