Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Summarized quarterly financial data for 2013 and 2012 is as follows (in thousands, except per share data):

	Quarters Ended
	March 31			June 30			September 30			December 31
	(In thousands, except per share data)
2013
Total revenues	$	—		$	200		$	—		$	100
Net loss		(6,864	)		(3,423	)		(9,980	)		(27,218	)
Net loss applicable to common stockholders	$	(6,864	)	$	(3,423	)	$	(9,980	)	$	(27,218	)
Basic and diluted loss per share applicable to common stock	$	(0.23	)	$	(0.11	)	$	(0.33	)	$	(0.68	)

2012
Total revenues	$	—		$	—		$	—		$	100
Net income (loss)		(10,135	)		(13,262	)		1,584			3,849
Net income (loss) applicable to common stockholders	$	(10,135	)	$	(13,262	)	$	1,584		$	3,849
Basic and diluted income (loss) per share applicable to common stock	$	(0.49	)	$	(0.63	)	$	0.07		$	0.14