Net Loss per Common Share

12 Months Ended

Dec. 31, 2019

Net Loss per Common Share

Net Loss per Common Share

Note 4.Net Loss per Common Share

The following table sets forth the computation of basic and diluted net loss per common share:

	Year ended December 31,
	2019		2018		2017
Basic and diluted net loss per common share:
Net loss	$	(68,345,186)	$	(30,965,464)	$	(28,943,392)
Weighted average common shares outstanding—basic and diluted		34,020,257		26,883,656		22,764,606
Net loss per common share—basic and diluted	$	(2.01)	$	(1.15)	$	(1.27)

The following potentially dilutive securities outstanding at December 31, 2019, 2018, and 2017 have been excluded from the computation of diluted weighted average shares outstanding, as they would be anti‑dilutive:

	December 31,
	2019	2018	2017
Stock options	3,458,447	2,291,163	2,315,638
Warrants	69,656	123,037	2,099,199
Total	3,528,103	2,414,200	4,414,837