Common Stock

12 Months Ended

Dec. 31, 2019

Net loss per share

Basic net loss per share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding during the period. Diluted net loss per share is computed by giving effect to all potential shares of common stock, preferred stock and outstanding stock options and warrants, to the extent dilutive. Basic and diluted net loss per share was the same for each period presented as the inclusion of all potential shares of common stock outstanding would have been anti-dilutive.

Basic and diluted net loss per share (in thousands, except per share amounts) are as follows:


	December 31,		December 31,
	2019		2018
Net loss	$	(25,659)	$	(14,212)
Weighted-average shares of common stock outstanding	16,418		15,955
Net loss per share - basic and diluted	$	(1.56)	$	(0.89)

The following common equivalent shares as of December 31, 2019 and 2018, respectively, issuable upon the exercise of stock options and warrants have been excluded from the diluted earnings per share calculation as their effect is anti-dilutive:


	December 31,	December 31,
	2019	2018
Warrants to purchase common stock	1,550,975	1,608,996
Options to purchase	4,006,351	3,761,278
Total shares excluded from net loss per share	5,557,326	5,370,274