Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Condensed Consolidated Statements Of Operations
Revenue	$ 3		$ 7	$ 6
Operating costs and expenses
Amortization of patents	2,449		4,878
Compensation and related expenses (including stock-based compensation)	7,216	281	10,748	737
Depreciation		5		22
Other selling, general and administrative	1,924	661	3,975	1,105
Total operating expenses	11,589	947	19,601	1,863
Loss from operations	(11,586)	(947)	(19,594)	(1,857)
Other income (expense)
Interest income	11	1	16
Fair value adjustments for warrant liabilities	7	139	47	(2,647)
Total other income (expense)	18	140	63	(2,647)
Net loss	$ (11,568)	$ (807)	$ (19,531)	$ (4,504)
Net loss per share, basic and diluted	$ (0.69)	$ (1.14)	$ (1.80)	$ (6.44)
Weighted average number of shares outstanding Basic and diluted	16,879,472	705,631	10,844,706	699,614