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STOCKHOLDERS' EQUITY (Details 4) (USD $) | 1 Months Ended | 3 Months Ended | 212 Months Ended |  | 3 Months Ended | 0 Months Ended | 3 Months Ended |  | 0 Months Ended |  | 0 Months Ended | 1 Months Ended
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Apr. 30, 2013 | Mar. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013 Common stock | Nov. 14, 2013 November 2013 stock issuance Common stock Aspire Capital Fund, LLC | Mar. 31, 2014 November 2013 stock issuance Common stock Aspire Capital Fund, LLC | Nov. 14, 2013 November 2013 stock issuance Common stock Maximum Aspire Capital Fund, LLC | Dec. 14, 2012 December 2012 stock issuance Common stock Aspire Capital Fund, LLC | Dec. 14, 2012 December 2012 stock issuance Common stock Maximum Aspire Capital Fund, LLC | May 16, 2013 May 2013 sale of common stock | May 21, 2013 May 2013 sale of common stock | Mar. 22, 2012 March 2012 Sale of Common Stock and Economic Rights
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued under purchase agreement |  |  |  |  |  | 511,509 | 450,000 |  | 158,982 |  |  |  |
Purchase price for shares issued under purchase agreement |  |  |  |  |  | $ 2,000,000 | $ 1,700,000 |  | $ 1,000,000 |  |  |  |
Shares committed to purchase |  |  |  |  |  |  |  | 3,042,038 |  | 1,455,787 |  |  |
Period of common stock purchase agreement |  |  |  |  |  | 2 years |  |  | 2 years |  |  |  |
Common stock purchase agreement, purchase commitment |  |  |  |  |  |  |  | 18,000,000 |  | 19,000,000 |  |  |
Stock issued for non-cash consideration |  |  |  |  |  | 166,105 |  |  | 74,548 |  |  |  |
Shares committed for sale under agreement |  |  |  |  |  |  |  |  |  |  | 6,666,667 |  |
Common stock, par value (in dollars per share) |  | $ 0.001 | $ 0.001 | $ 0.001 |  |  |  |  |  |  | $ 0.001 |  |
Offering price per unit (in dollars per unit) |  |  |  |  |  |  |  |  |  |  | $ 3 | $ 3 | $ 4.53
Shares sold (in shares) |  |  |  |  | 31,643 |  |  |  |  |  |  | 6,833,334 | 669,726
Number of share sold that were subject to the underwriters' over-allotment option |  |  |  |  |  |  |  |  |  |  |  | 166,667 |
Proceeds from sale of common stock, net of certain fees and expenses |  |  |  |  |  |  |  |  |  |  |  | 19,000,000 |
Fair value of common stock issued |  |  |  |  | 200,000 |  |  |  |  |  |  |  |
Change in valuation of financial instruments associated with stock purchase agreement |  | 47,000 | 568,000 |  |  |  |  |  |  |  |  |  |
Net proceeds |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000
Number of days used to calculate average closing price |  |  |  |  |  |  |  |  |  |  |  |  | 10 days
Amount to be paid as percentage of future litigation settlement amount received |  |  |  |  |  |  |  |  |  |  |  |  | 10.00%
Lock-up period from the date of issuance |  |  |  |  |  |  |  |  |  |  |  |  | 1 year
Economic Rights settled for payments | $ 600,000 |  |  |  |  |  |  |  |  |  |  |  |

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