9. Net Loss Per Common Share

Basic earnings or loss per share of common stock is computed by dividing net loss by the weighted average number of shares of common stock outstanding during the period. Diluted earnings or loss per share of common stock is computed similarly to basic earnings or loss per share except the weighted average shares outstanding are increased to include additional shares from the assumed exercise of any common stock equivalents, if dilutive. The Company’s RSAs, stock options and warrants are considered common stock equivalents while outstanding for this purpose. Diluted earnings are computed utilizing the treasury method for stock options and warrants. No incremental common stock equivalents were included in calculating diluted loss per share because such inclusion would be anti‑dilutive given the net loss reported for the three and nine months ended September 30, 2018 and 2017. The following table sets forth the computation of basic and diluted loss per share for the three and nine months ended September 30, 2018 and 2017 (in thousands, except share and per share amounts):


	Three Months Ended					Nine Months Ended
	2018		2017			2018		2017
Numerator:
Net loss	$	(6,079)	$	(8,671)	$		(19,981)	$	(26,669)
Denominator:
Basic and diluted weighted average common shares outstanding		14,259,691		10,623,601			13,650,556		10,253,437
Basic and diluted net loss per share	$	(0.43)	$	(0.82)	$		(1.46)	$	(2.60)

The following potential common shares were not considered in the computation of diluted net loss per share as their effect would have been anti‑dilutive during the three and nine months ended September 30, 2018 and 2017:


	Three Months Ended		Nine Months Ended
	2018	2017	2018	2017
Stock options	2,823,732	2,464,140	2,823,732	2,464,140
Warrants	1,014,204	978,204	1,014,204	978,204