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SUBSEQUENT EVENT (Details) (USD $) | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  | 0 Months Ended | 1 Months Ended |  | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Nov. 13, 2013 Loan Agreement RCF Tranche one | Dec. 31, 2012 ATM Sales Agreement BTIG, LLC | Feb. 01, 2014 ATM Sales Agreement BTIG, LLC Maximum | Oct. 31, 2011 ATM Sales Agreement BTIG, LLC Maximum | Oct. 28, 2011 ATM Sales Agreement BTIG, LLC Maximum | Jan. 29, 2014 Subsequent event Loan Agreement RCF | Feb. 04, 2014 Subsequent event Loan Agreement RCF Tranche one | Jan. 31, 2014 Subsequent event ATM Sales Agreement BTIG, LLC | Jan. 31, 2014 Subsequent event ATM Sales Agreement BTIG, LLC | Feb. 01, 2014 Subsequent event ATM Sales Agreement BTIG, LLC | Feb. 12, 2014 Subsequent event Registered direct offering
Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of common stock in a registered direct offering | $ 3,599,432 | $ 20,264,692 |  |  |  |  |  |  |  |  |  |  | $ 10,300,000
Shares of common stock sold |  |  |  | 970,000 |  |  |  | 7,500,000 |  | 523,350 | 523,350 |  | 3,960,000
Price per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.60
Net proceeds from sale of shares of common stock | 3,599,432 | 20,264,692 |  | 5,400,000 |  |  |  |  |  | 1,900,000 | 1,900,000 |  | 9,472,320
Borrowings under agreement |  |  | 3,000,000 |  |  |  |  |  | 2,000,000 |  |  |  |
Aggregate offering price of the shares of common stock available to be sold under ATM Sales Agreement |  |  |  |  | $ 15,000,000 | $ 15,000,000 | $ 15,000,000 |  |  |  |  | $ 7,100,000 |

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