Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Loss Per Share

Schedule of dilutive securities excluded from computations of diluted weighted average shares outstanding

	June 30,
	2018		2017
Convertible preferred stock outstanding		—		12,111,706
Convertible preferred stock warrants		—		65,434
Convertible common stock warrants		100,558		—
Common stock options outstanding		2,195,333		2,089,006
Total		2,295,891		14,266,146