Summarized Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Summarized Quarterly Financial Data (Unaudited)

16.    Summarized Quarterly Financial Data (Unaudited)

Following are summarized quarterly financial data (unaudited) for the years ended December 31, 2015 and 2014:

	2015
	March 31			June 30			September 30			December 31
	(In thousands)
Net revenue	$	6		$	88		$	130		$	187
Gross profit (loss)		(19	)		33			72			(567	)
Operating loss		(4,668	)		(4,564	)		(4,668	)		(4,196	)
Net income (loss)		(32,968	)		7,136			(4,422	)		(10,127	)
Net income (loss) per share, basic	$	(0.54	)	$	0.12		$	(0.07	)	$	(0.18	)
Net loss per share, diluted	$	(0.54	)	$	(0.04	)	$	(0.07	)	$	(0.18	)

	2014
	March 31			June 30			September 30			December 31
	(In thousands)
Net revenue	$	—		$	—		$	—		$	—
Operating loss		(2,345	)		(1,539	)		(2,120	)		(3,301	)
Net income (loss)		(3,358	)		(8,069	)		(14,373	)		420
Net income (loss) per share, basic	$	(0.06	)	$	(0.13	)	$	(0.24	)	$	0.01
Net income (loss) per share, diluted	$	(0.06	)	$	(0.13	)	$	(0.24	)	$	0.01