Fair Value Measurements (Details 1) (Unobservable Inputs (Level 3) [Member], USD $)	3 Months Ended
	Mar. 31, 2014
Unobservable Inputs (Level 3) [Member]
Balance, January 1, 2014	$ 23
Change in fair value of Teva option	(23)
Estimated fair value of warrants assumed in merger on January 2, 2014	10,475
Estimated fair value of warrants issued in January sale of common stock	3,696
Change of fair value of warrants for the period ended March 31, 2014	(2,082)
Balance at March 31, 2014	$ 10,289