Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2019

Net Loss per Share

Schedule of computation of diluted net loss per weighted average number of shares outstanding

The following tables set forth the computation of diluted net loss per weighted average number of shares outstanding attributable to Synthetic Biologics, Inc. and Subsidiaries for the three and six months ended June 30, 2019 and 2018 (in thousands except share and per share amounts):

	Three months ended June 30, 2019					Six months ended June 30, 2019
	Net loss		Shares	Per Share		Net Loss		Shares	Per Share
	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Net loss - Basic	$	(3,709)	16,465,314	$	(0.23)	$	(7,680)	16,063,283	$	(0.48)
Dilutive shares related to warrants		—	—		—		—	—		—
Net loss - Dilutive	$	(3,709)	16,465,314	$	(0.23)	$	(7,680)	16,063,283	$	(0.48)

	Three months ended June 30, 2018					Six months ended June 30, 2018
	Net loss		Shares	Per Share		Net Loss		Shares	Per Share
	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Net loss - Basic	$	(4,258)	3,683,383	$	(1.16)	$	(6,634)	3,678,389	$	(1.80)
Dilutive shares related to warrants		—	—		—		—	—		—
Net loss - Dilutive	$	(4,258)	3,683,383	$	(1.16)	$	(6,634)	3,678,389	$	(1.80)