COMMITMENTS AND CONTINGENCIES (Details Textual) (USD $)	1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended	135 Months Ended		3 Months Ended	12 Months Ended									3 Months Ended	12 Months Ended					12 Months Ended
	Jan. 31, 2007	May 31, 2006	Feb. 28, 2006	Feb. 28, 2005	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2004	Jun. 30, 2013	Apr. 23, 2013	Jun. 30, 2012 Other Contractual Obligations [Member]	Dec. 31, 2012 Contract Research and Manufacturing Purchase Obligations [Member]	Dec. 31, 2011 Contract Research and Manufacturing Purchase Obligations [Member]	Dec. 31, 2010 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2009 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2008 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2007 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2006 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2005 License Agreement With Gopal Nair [Member] Use Rights [Member]	Dec. 31, 2004 License Agreement With Gopal Nair [Member] Use Rights [Member]	Jun. 30, 2012 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Dec. 31, 2011 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Dec. 31, 2008 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Dec. 31, 2006 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Jun. 30, 2013 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Jun. 30, 2013 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member] N D A [Member]	Dec. 31, 2006 Finders Agreement [Member] Warrant [Member]	Jun. 30, 2013 Finders Agreement [Member] Warrant [Member]
Initial Payment Towards Use Of Rights As Per License Agreement																					$ 150,000				$ 100,000
Value Of Common Stock Issued During Period Towards Milestone Payment																		150,000	100,000	100,000
Common Stock Shares Issued During Period To wards Milestone Payment																	30,612	26,643
Fair Value Of Common Stock Issued During Period Towards Milestone Payment																	$ 4.90	$ 5.63
Milestone Payment Made During Period															100,000	150,000	100,000						750,000	500,000
Potential Future Milestone Payments															1,500,000											2,500,000	1,500,000		150,000
Common Stock Shares Issued During Period Towards Right To Use Intellectual Property																									63,131
Fair Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property																									$ 4.35
Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property																									274,621
Research and Development Expense (Excluding Acquired in Process Cost)													1,200,000									3,100,000
Warrants issued to purchase common stock	0	250,000	716,666	105,516					483,701
Common stock warrants, purchase price (in dollars per share)	$ 0	$ 4.31	$ 3.30	$ 2.62					$ 2.88
Fair Value Of Warrants Granted	433,750	0	705,000	26,700					14,400
Weighted average risk-free interest rate					0.22%		0.69%	0.78%																				4.79%
Weighted-average expected life of options					2 years		5 years	5 years																				3 years
Expected dividend yield					0.00%		0.00%	0.00%																				0.00%
Weighted average expected volatility					112.16%		105.48%	85.97%																				66.01%
Research and development					1,904,849	4,695,546	3,861,815	13,394,664		166,366,661				7,200,000
Sales and marketing					241,139	1,753,166	600,423	6,721,928		24,846,799		100,000
Beneficial Ownership Percentage											50.00%
Commitment And Contingencies, Bonus Payments Obligation					$ 1,100,000		$ 1,100,000			$ 1,100,000