COMMITMENTS AND CONTINGENCIES (Details Textual) (USD $)	1 Months Ended				3 Months Ended		12 Months Ended	132 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	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2004	Mar. 31, 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]	Mar. 31, 2013 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member]	Mar. 31, 2013 License Agreement With Dainippon Sumitomo Pharma [Member] Use Rights [Member] N D A [Member]	Dec. 31, 2006 Finders Agreement [Member] Warrant [Member]	Dec. 31, 2012 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)		$ 4.31	$ 3.3	$ 2.62			$ 2.88
Fair Value Of Warrants Granted	433,750		705,000	26,700			14,400
Weighted average risk-free interest rate					0.81%	0.78%																			4.79%
Weighted-average expected life of options					5 years	5 years																			3 years
Expected dividend yield					0.00%	0.00%																			0.00%
Weighted average expected volatility					103.78%	85.97%																			66.01%
Research and development					1,956,966	8,699,119		164,461,812			7,200,000
Sales and marketing					$ 359,284	$ 4,968,762		$ 24,605,660	$ 100,000