RELATED PARTY TRANSACTIONS (Details Narrative)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 30, 2012 $ / shares shares	Sep. 30, 2016 USD ($) shares	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) shares	Sep. 30, 2015 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2015 USD ($) shares	Oct. 31, 2014 USD ($) ft²	Oct. 03, 2014 USD ($)
Related Party Transaction [Line Items]
Other research and development		$ 20,878,108	$ 11,538,246	$ 45,075,097	$ 29,719,891
Prepaid Research And Development		10,121,215		10,121,215			$ 9,151,142
Prepaid Rent							$ 0
Upfront Fee Received From Sub License						$ 2,000,000
Rent expense				1,000,000
Deferred rent		$ 800,000		$ 800,000
Common stock issued | shares	5,000,000	54,765,890		54,765,890			54,095,110
Warrant to purchase common stock | shares	2,500,000
Common stock purchase price | $ / shares	$ 0.001
LFB License Agreement [] [Member]
Related Party Transaction [Line Items]
Other research and development		$ 1,900,000	$ 2,500,000	$ 4,300,000	$ 4,900,000
Shared Services Agreement [Member]
Related Party Transaction [Line Items]
Costs and Expenses, Related Party				500,000
Lfb Group [Member]
Related Party Transaction [Line Items]
Accounts Payable		300,000		300,000			$ 2,100,000
Prepaid Research And Development		3,100,000		$ 3,100,000			$ 3,000,000
Office Agreement [Member]
Related Party Transaction [Line Items]
Average Annual Rental Payments									$ 1,100,000
Security Deposit								$ 600,000
Percentage of Occupancy									45.00%
Lessee Leasing Arrangements, Operating Leases, Term of Contract				15 years
Area of Land | ft²								24,000
Fortress [Member]
Related Party Transaction [Line Items]
Accounts Payable		400,000		$ 400,000
Build out costs				2,700,000
JBET Agreement [Member]
Related Party Transaction [Line Items]
Accounts Payable		300,000		300,000
Sublicense Fee paid				1,000,000
Opus [Member]
Related Party Transaction [Line Items]
Costs and Expenses, Related Party		$ 0		$ 100,000