Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share for Continuing and Discontinued Operations

The following table presents the computation of basic and diluted net loss per share for continuing and discontinued operations (in thousands, except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Numerator:
Loss from continuing operations	$	(12,406	)	$	(7,064	)	$	(25,322	)	$	(8,918	)
Loss from discontinued operations		(30	)		(12	)		(82	)		(74	)
Net loss	$	(12,436	)	$	(7,076	)	$	(25,404	)	$	(8,992	)
Denominator:
Weighted average common shares outstanding		47,143			34,030			46,233			27,656
Weighted average unvested common shares subject    to repurchase		(263	)		—			(276	)		-
Weighted average common shares outstanding—basic and diluted		46,880			34,030			45,957			27,656
Net loss per share, basic and diluted:
Continuing operations	$	(0.26	)	$	(0.21	)	$	(0.55	)	$	(0.32	)
Discontinued operations	$	(0.00	)	$	(0.00	)	$	(0.00	)	$	(0.00	)
Net loss per share, basic and diluted	$	(0.27	)	$	(0.21	)	$	(0.55	)	$	(0.32	)

Anti-dilutive securities not included in diluted net loss per share

The anti-dilutive securities not included in diluted net loss per share were as follows (in thousands):

	As of June 30,
	2019		2018
Options to purchase common stock		4,253		3,313
Unvested restricted share awards		6,641		2,139
Series A Convertible Preferred Stock		164		2,022
Convertible Notes		—		988
Warrants to purchase common stock		26,885		20,932
Total		37,943		29,394