RELATED PARTY TRANSACTIONS (Details Narrative)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2015 USD ($)	Oct. 31, 2014 USD ($) ft²	Oct. 03, 2014 USD ($)
Related Party Transaction [Line Items]
Other research and development	$ 12,966,574	$ 9,902,214	$ 24,196,989	$ 18,181,645
Prepaid Research And Development	14,510,025		14,510,025			$ 9,151,142
Prepaid Rent	1,968,734		1,968,734			0
Upfront Fee Received From Sub License					$ 2,000,000
LFB License Agreement [] [Member]
Related Party Transaction [Line Items]
Other research and development	2,300,000	$ 2,200,000	2,300,000	$ 2,400,000
Shared Services Agreement [Member]
Related Party Transaction [Line Items]
Costs and Expenses, Related Party			400,000
Lfb Group [Member]
Related Party Transaction [Line Items]
Accounts Payable	1,700,000		1,700,000			2,100,000
Prepaid Research And Development	4,700,000		4,700,000			$ 3,000,000
Office Agreement [Member]
Related Party Transaction [Line Items]
Accounts Payable	1,100,000		$ 1,100,000
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
Prepaid Rent	100,000		$ 100,000
Fortress [Member]
Related Party Transaction [Line Items]
Prepaid Rent	2,000,000		2,000,000
JBET Agreement [Member]
Related Party Transaction [Line Items]
Accounts Payable	1,200,000		1,200,000
Upfront Fee Received From Sub License			1,000,000
Opus [Member]
Related Party Transaction [Line Items]
Accounts Payable	100,000		100,000
Costs and Expenses, Related Party	$ 20,000		$ 100,000