Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of the Company’s basic and diluted net loss per share (in thousands, except per share data):

	Three Months Ended March 31,
	2018			2017
Numerator:
Net loss	$	(1,285	)	$	(668	)
Less: preferred stock dividends	3			3
Net loss attributable to common stockholders	$	(1,288	)	$	(671	)
Denominator:
Weighted-average number of shares of common stock for basic and diluted net loss per share	46,232			36,181
Basic and diluted net loss per share	$	(0.03	)	$	(0.02	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table represents the potential shares that were excluded from the computation of weighted-average number of shares of common stock in computing the diluted net loss per share for the periods presented because including them would have had an anti-dilutive effect (in thousands):

	Three Months Ended March 31,
	2018	2017
Unvested restricted stock units	742	2,938
Unvested restricted stock awards	113	354
Outstanding stock options	1,192	1,222
Shares of common stock issuable upon conversion of Series A-2 Preferred	79	79
Shares of common stock issuable upon conversion of Series B Preferred	1,339	—
Shares of common stock issuable upon conversion of Series C Preferred	4,250	—