Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Net Loss Per Share

Schedule of basic and diluted weighted average common shares outstanding

The following table (in thousands, except for loss per share) reconciles basic and diluted weighted average common shares outstanding for the years ended December 31, 2017, 2016 and 2015:

	Year ended
	December 31,
	2017		2016		2015
Weighted average common shares outstanding:
Basic		100,926		95,680		55,226
Dilutive unvested common stock and common stock warrants		—		—		—
Diluted		100,926		95,680		55,226
				—		—
Basic and diluted net loss per share	$	(0.35)	$	(0.09)	$	(0.14)

Schedule of antidilutive securities excluded from computation of earnings per share

	Year ended
	December 31,
	2017		2016		2015
Weighted average common shares outstanding:
Basic		100,926		95,680		55,226
Dilutive unvested common stock and common stock warrants		—		—		—
Diluted		100,926		95,680		55,226
				—		—
Basic and diluted net loss per share	$	(0.35)	$	(0.09)	$	(0.14)

Potentially dilutive securities that were not included in the diluted net loss per share computations because their effect would have been anti-dilutive were as follows (in thousands):

	Year ended
	December 31,
	2017		2016		2015
Unvested stock (1)		258		—		—
Common Stock Warrants		12,082		12,059		12,059
Total dilutive common shares		12,340		12,059		12,059

⁽¹⁾ Does not include 25.7 million shares of unvested stock for the year ended December 31, 2017 because the performance conditions had not yet been satisfied as of December 31, 2017.