STOCK-BASED COMPENSATION (Details) (USD $)
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3 Months Ended | 6 Months Ended | 116 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Stock-based compensation | $ 406,122 | $ 199,124 | $ 823,475 | $ 257,586 | $ 3,678,348 |
Employee and Director Stock Option [Member]
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Stock-based compensation | 327,423 | 132,984 | 654,435 | 191,446 | 3,291,180 |
Employee and Director Stock Option [Member] | Research and Development Expense [Member]
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Stock-based compensation | 78,145 | 31,465 | 156,189 | 54,991 | 644,747 |
Employee and Director Stock Option [Member] | General and Administrative Expense [Member]
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Stock-based compensation | 249,278 | 101,519 | 498,246 | 136,455 | 2,646,433 |
Non Employee Consultant Stock Option [Member]
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Stock-based compensation | 78,699 | 66,140 | 169,040 | 66,140 | 387,168 |
Non Employee Consultant Stock Option [Member] | Research and Development Expense [Member]
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Stock-based compensation | 34,355 | 17,287 | 81,369 | 17,287 | 117,526 |
Non Employee Consultant Stock Option [Member] | General and Administrative Expense [Member]
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Stock-based compensation | $ 44,344 | $ 48,853 | $ 87,671 | $ 48,853 | $ 269,642 |