Net loss per common share

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Net loss per common share

17. Net loss per common share

For the three and six months ended June 30, 2019 and 2018, the following options and warrants were excluded from the computation of diluted net loss per share as the results would have been anti-dilutive.

	June 30, 2019		June 30, 2018
Stock options		480,000		480,000
Warrants		116,735,091		82,587,408
Convertible notes		78,944,078		43,916,472
		196,159,169		126,983,880