Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Loss per Share

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

	Quarter Ended March 31,
	2020			2019
Numerator:
Net loss attributable to BlackLine, Inc.	$	(12,843	)	$	(8,781	)
Denominator:
Weighted average shares		56,174			54,835
Add: Dilutive effect of securities		—			—
Shares used to calculate diluted net loss per share		56,174			54,835
Basic net loss per share attributable to BlackLine, Inc.	$	(0.23	)	$	(0.16	)
Diluted net loss per share attributable to BlackLine, Inc.	$	(0.23	)	$	(0.16	)

Schedule of Potentially Dilutive Shares Excluded From Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders

The following potentially dilutive shares were excluded from the calculation of diluted net loss per share attributable to common stockholders because they were anti-dilutive (in thousands):

	Quarter Ended March 31,
	2020		2019
Stock options with service-only vesting conditions		3,237		3,705
Stock options with performance conditions		683		683
Restricted stock units		1,458		1,230
Total shares excluded from net loss per share		5,378		5,618