Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information (Unaudited)

Note 17. Quarterly Financial Information (Unaudited)

The following tables summarize the Company’s quarterly financial information for the years ended December 31, 2017 and 2016 (in thousands except per share amounts):

	Three Months Ended
	March 31, 2017			June 30, 2017			September 30, 2017			December 31, 2017
Product revenue	$	7,006		$	9,525		$	10,797		$	16,240
Gross profit on product revenue		3,312			5,165			5,449			7,111
Government contract revenue		1,428			1,667			2,285			2,378
Net loss		(18,598	)		(17,083	)		(13,418	)		(11,486	)
Net loss per share:
Basic		(0.18	)		(0.16	)		(0.12	)		(0.10	)
Diluted		(0.18	)		(0.16	)		(0.12	)		(0.10	)

	Three Months Ended
	March 31, 2016			June 30, 2016			September 30, 2016			December 31, 2016
Product revenue	$	7,632		$	9,251		$	10,175		$	10,125
Gross profit on product revenue		3,369			4,275			4,724			4,520
Government contract revenue		—			—			261			1,831
Net loss		(16,863	)		(18,166	)		(14,376	)		(13,501	)
Net loss per share:
Basic		(0.17	)		(0.18	)		(0.14	)		(0.13	)
Diluted		(0.17	)		(0.18	)		(0.14	)		(0.13	)