STOCK-BASED COMPENSATION (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Option Shares
Options previously granted, approved by shareholders		300
Options [Member]
Option Shares
Outstanding at the beginning of the period (in shares)	458	120	0
Net BioSante stock options assumed			99
Granted (in shares)	138	120	21
Options previously granted, approved by shareholders		325
Exercised (in shares)	(89)	(43)	0
Forfeited (in shares)	(33)	(4)
Forfeited or expired (in shares)			0
Expired (in shares)	0	(60)
Outstanding at the end of the period (in shares)	474	458	120	0
Exercisable at the end of the period (in shares)	101
Vested or expected to vest at the end of the period (in shares)	464
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 14.44	$ 50.35	$ 0
Net BioSante stock options assumed (in dollars per share)			59.59
Granted (in dollars per share)	62.07	31.59	6.36
Options previously granted, approved by shareholders (in dollars per share)		6.39
Exercised (in dollars per share)	9.24	19.45	0
Forfeited (in dollars per share)	11.81	6.36
Forfeited or expired (in dollars per share)			0
Expired (in dollars per share)	0	73.96
Outstanding at the end of the period (in dollars per share)	29.40	14.44	50.35	$ 0
Exercisable at the end of the period (in dollars per share)	17.97
Vested or expected to vest at the end of the period (in dollars per share)	29.06
Weighted Average Grant-date Fair Value
Granted (in dollars per share)	$ 30.08	$ 16.84	$ 3.40
Weighted Average Remaining Term (Years)
Outstanding at the end of the period weighted average remaining term	8 years 2 months 12 days	8 years 8 months 12 days	2 years 4 months 24 days	0 years
Exercisable at the end of the period weighted average remaining term	7 years 4 months 24 days
Vested or expected to vest at the end of the period weighted average remaining term	8 years 2 months 12 days
Aggregate Intrinsic Value
Outstanding at the beginning of the period intrinsic value (in dollars)	$ 19,472	$ 81	$ 0
Exercised at the end of the period intrinsic value (in dollars)	3,937	638	0
Outstanding at the end of the period intrinsic value (in dollars)	10,136	$ 19,472	$ 81	$ 0
Exercisable at the end of the period intrinsic value (in dollars)	3,069
Vested or expected to vest at the end of the period intrinsic value (in dollars)	$ 10,046