INCOME TAXES (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets (liabilities):
Net operating loss carryforwards	$ 32,190,080	$ 27,611,000
Research and development credit	1,882,238	1,858,000
Non-cash compensation	3,051,920	1,735,000
Acquired in-process research and development	(1,202,556)	(2,220,000)
Foreign tax credit	330,000	0
Other	19,241	424,000
Deferred tax asset, excluding valuation allowance	36,270,923	29,408,000
Less valuation allowance	(36,270,923)	(29,408,000)
Net deferred tax assets	$ 0	$ 0