Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Net loss per common share

Net loss per common share

12 Months Ended

Dec. 31, 2018

Net loss per common share [Abstract]

Basic and diluted net loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding for the year. In determining diluted net loss per common share, the weighted average number of common shares outstanding is adjusted for stock options and warrants eligible for exercise where the average market price of common shares for the year ended December 31, 2018 exceeds the exercise price. Common shares that could potentially dilute basic net loss per common share in the future that could be issued from the exercise of stock options and warrants were not included in the computation of the diluted loss per common share for the year ended December 31, 2018 because to do so would be anti-dilutive.

The numerator and denominator used in the calculation of historical basic and diluted net loss amounts per common share are as follows:



	2018 $		2017 $
Net loss for the year	(64,120	)	(70,792	)

	Number		Number
Weighted average common shares outstanding	84,782		76,918
	$		$
Net loss per common share (expressed in $ per share)	(0.76	)	(0.92	)

The outstanding number and type of securities that would potentially dilute basic loss per common share in the future and which were not included in the computation of diluted loss per share, because to do so would have reduced the loss per common share (anti-dilutive) for the years presented, are as follows:



	2018	2017
Stock options	1,567	1,222
Warrants (derivative liabilities)	2,420	2,415
Warrants (equity)	—	632
	3,987	4,269