Selected Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Results

The following table sets forth certain quarterly financial data for the periods indicated (in thousands, except per share data):

	Quarter Ended
	March 31, 2015			June 30, 2015			September 30, 2015			December 31, 2015
Revenue	$	13,054		$	1,733		$	1,235		$	32,209
Gross profit		11,930			(888	)		(464	)		29,552
Income (loss) from operations		(7,800	)		(18,681	)		(19,652	)		10,953
Net (loss ) income		(8,193	)		(19,211	)		(20,439	)		10,171
Basic (loss) income per share		(0.16	)		(0.37	)		(0.39	)		0.20
Diluted (loss) income per share		(0.16	)		(0.37	)		(0.39	)		0.20
	Quarter Ended
	March 31, 2014			June 30, 2014			September 30, 2014			December 31, 2014
Revenue	$	20,690		$	13,885		$	1,822		$	2,547
Gross profit		19,964			13,198			1,359			(516	)
Income (loss) from operations		713			(2,041	)		(19,059	)		(18,353	)
Net loss		(4,644	)		(6,671	)		(25,256	)		(17,647	)
Basic loss per share		(0.11	)		(0.14	)		(0.51	)		(0.36	)
Diluted loss per share		(0.11	)		(0.14	)		(0.51	)		(0.36	)