Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information (unaudited)

Schedule of quarterly financial information

Quarterly financial information for fiscal 2013 and 2012 are presented in the following table, in thousands, except per share data, unaudited:

	1st Quarter			2nd Quarter			3rd Quarter			4th Quarter
2013
Revenue	$	147		$	281		$	1,257		$	10,334
Total costs and expenses		18,055			15,760			18,432			21,691
Operating loss		(17,908	)		(15,479	)		(17,175	)		(11,357	)
Net loss		(18,414	)		(27,357	)		(24,096	)		(22,406	)
Net loss per share, basic and diluted		(0.60	)		(0.89	)		(0.78	)		(0.65	)
2012
Revenue	$	208		$	91		$	91		$	1,090
Total costs and expenses		8,086			9,348			12,381			13,834
Operating loss		(9,277	)		(10,013	)		(13,482	)		(13,512	)
Net loss		(9,277	)		(10,013	)		(13,482	)		(13,512	)
Net loss per share, basic and diluted		(6.05	)		(0.61	)		(0.55	)		(0.51	)