Net Loss Per Share (Tables)

9 Months Ended

Sep. 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 September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Numerator:
Net loss:
Continuing operations	$	(14,543	)	$	(9,313	)	$	(39,865	)	$	(18,231	)
Discontinued operations		(24	)		(42	)		(106	)		(116	)
Net loss	$	(14,567	)	$	(9,355	)	$	(39,971	)	$	(18,347	)
Denominator:
Weighted average common shares outstanding		56,010			42,497			49,528			32,658
Weighted average unvested common shares subject    to repurchase		(274	)		—			(276	)		—
Weighted average common shares outstanding—basic and diluted		55,736			42,497			49,252			32,658
Net loss per share, basic and diluted:
Continuing operations	$	(0.26	)	$	(0.22	)	$	(0.81	)	$	(0.56	)
Discontinued operations	$	(0.00	)	$	(0.00	)	$	(0.00	)	$	(0.00	)
Net loss per share, basic and diluted	$	(0.26	)	$	(0.22	)	$	(0.81	)	$	(0.56	)

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 September 30,
	2019		2018
Options to purchase common stock		4,270		4,880
Unvested restricted share awards		6,755		3,542
Series A Convertible Preferred Stock		67		2,022
Convertible Notes		—		988
Warrants to purchase common stock		26,739		20,932
Total		37,831		32,364