Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		45 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
Revenue:
Licensing and other revenue	$ 2		$ 21
Costs and expenses:
Research and development, inclusive of stock-based compensation of $83, $13 and $935, respectively	338	720	12,434
General and administrative, inclusive of stock-based compensation of $1,781, $611 and $8,733, respectively	2,541	1,097	11,411
Total costs and expenses	2,879	1,817	23,845
Loss from operations	(2,877)	(1,817)	(23,824)
Non-operating income (expense):
Interest expense	(152)	(12)	(593)
Derivative liability expense	(1,683)	(154)	(1,741)
Warrant amendment expense		0	(734)
Liquidation preference granted to founder			(4,841)
Loss on extinguishment of debt			(663)
Gain on bargain purchase	6,444		6,444
Other income (expense), net	(67)	(5)	(121)
Total non-operating income (expense)	(1,902)	(171)	(2,249)
Net loss before income taxes	(4,779)	(1,988)	(26,073)
Income tax expense			(53)
Net loss	(4,779)	(1,988)	(26,126)
Deemed dividend			(932)
Loss attributable to common stockholders	(4,779)	(1,988)	(27,058)
Basic and diluted loss per common share (in Dollars per share)	$ (0.35)	$ (0.63)	$ (4.53)
Weighted average common shares outstanding-basic and diluted (in Shares)	13,515,828	3,172,689	5,768,977
Comprehensive loss	$ (4,779)	$ (1,988)	$ (26,126)