Selected Quarterly Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015


Year Ended December 31, 2015	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	272		$	272		$	1,869		$	1,919
Total operating expenses		78,499			14,497			20,035			11,401
Loss from operations		(78,227	)		(14,225	)		(18,166	)		(9,482	)
Change in fair value of warrants		—			—			—			—
Net (loss)		(78,231	)		(14,211	)		(18,170	)		(9,476	)
Loss per share, basic and diluted	$	(0.69	)	$	(0.11	)	$	(0.14	)	$	(0.07	)

Year Ended December 31, 2014	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	200		$	200		$	633		$	340
Total operating expenses		9,984			11,377			12,575			10,936
Loss from operations		(9,784	)		(11,177	)		(11,942	)		(10,596	)
Change in fair value of warrants		82			5,600			5,847			194
Net (loss)		(9,711	)		(5,576	)		(6,093	)		(10,401	)
Loss per share, basic and diluted	$	(0.10	)	$	(0.06	)	$	(0.06	)	$	(0.09	)