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FAIR VALUE (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |  |  | 2 Months Ended | 12 Months Ended |  | 12 Months Ended | 2 Months Ended | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 24, 2013 | Dec. 31, 2011 | Dec. 31, 2011 | Dec. 31, 2012 | Nov. 08, 2011 | Jun. 30, 2011 | Dec. 31, 2011 Preferred Stock, Conversion Feature [Member] | Dec. 31, 2011 Preferred Stock, Conversion Feature [Member] | Nov. 08, 2011 Preferred Stock, Conversion Feature [Member] | Dec. 31, 2012 Liability | Dec. 31, 2011 Preferred Stock Warrant Liability [Member] | Dec. 31, 2011 Preferred Stock Warrant Liability [Member] | Nov. 08, 2011 Preferred Stock Warrant Liability [Member] | Dec. 31, 2012 Minimum | Dec. 31, 2012 Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock warrant, common stock called |  | 60,150 | 60,150 | 16,552,408 |  |  |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Discount Rate |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |  |
Common stock warrants issued | 13,171,268 |  |  | 11,380,000 |  |  |  |  |  |  |  |  |  |  |
Share price |  |  |  | $ 0.61 |  |  |  |  |  |  |  |  |  |  |
Stock options, fair value assumptions, expected life |  |  |  | 4 years 1 month 6 days |  |  |  |  |  |  |  |  |  |  |
Fair value assumptions, exercise price |  |  |  |  |  |  | $ 0.39 | $ 0.39 |  |  | $ 2.32 | $ 2.32 |  |  |
Fair value assumptions, risk free interest rate, basis term |  |  |  |  |  |  |  | 3 years |  |  |  | 1 year |  |  |
Term of u.s. treasury bond |  |  |  | 4 years 6 months |  |  |  | 4 years |  |  |  | 1 year |  | 3 years | 5 years
Risk-free interest rate |  |  |  | 0.63% |  |  |  | 0.65% |  |  |  | 0.25% |  |  |
Volatility |  |  |  | 57.50% |  |  |  | 50.00% |  |  |  | 50.00% |  |  |
Percentage of simulated equity values below the down-round financing cut-off point |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ 900 |  |  | $ 0 | $ 10,100 | $ 4,334 |  | $ 1,983 | $ 7,300 | $ 0 |  | $ 2,351 | $ 2,800 |  |
Additions |  |  |  | 3,100 |  |  |  |  |  |  |  |  |  |  |
Total gains or losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized in earnings |  |  | 5,766 |  |  |  |  | 5,317 |  | (2,200) |  | 449 |  |  |
Reclassification to stockholders' equity due to Amendment Agreement |  | (10,100) |  |  |  |  | (7,300) |  |  |  | (2,800) |  |  |  |
Ending balance |  | $ 0 | $ 0 | $ 900 | $ 10,100 | $ 4,334 | $ 0 | $ 0 | $ 7,300 |  | $ 0 | $ 0 | $ 2,800 |  |

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