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STOCK-BASED COMPENSATION (Details) (USD $)
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3 Months Ended | 9 Months Ended | 119 Months Ended | ||
|---|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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| Stock-based compensation | $ 336,436 | $ 398,070 | $ 1,159,911 | $ 655,656 | $ 4,014,784 |
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Employee and Director Stock Option [Member]
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| Stock-based compensation | 328,189 | 279,728 | 982,624 | 471,174 | 3,619,369 |
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Employee and Director Stock Option [Member] | Research and Development Expense [Member]
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| Stock-based compensation | 78,627 | 66,402 | 234,816 | 121,393 | 723,374 |
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Employee and Director Stock Option [Member] | General and Administrative Expense [Member]
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| Stock-based compensation | 249,562 | 213,326 | 747,808 | 349,781 | 2,895,995 |
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Non Employee Consultant Stock Option [Member]
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| Stock-based compensation | 8,247 | 118,342 | 177,287 | 184,482 | 395,415 |
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Non Employee Consultant Stock Option [Member] | Research and Development Expense [Member]
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| Stock-based compensation | 3,896 | 29,564 | 85,265 | 46,851 | 121,422 |
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Non Employee Consultant Stock Option [Member] | General and Administrative Expense [Member]
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| Stock-based compensation | $ 4,351 | $ 88,778 | $ 92,022 | $ 137,631 | $ 273,993 |