Share capital (Tables)

6 Months Ended

Jun. 30, 2019

Share Capital Tables Abstract

Weighted average exercise price, and the weighted average remaining contractual life

				outstanding		Weighted
				Weighted		average
				average		remaining
				exercise		contractual
	Number			Price		life (in years)
Outstanding, December 31, 2018		5,740,000		$	1.76		6.37
Expired / Cancelled		(10,000	)		3.43		-
Granted		360,000			2.08		9.76
Outstanding, June 30, 2019		6,090,000		$	1.78		6.11
Options exercisable		6,090,000		$	1.78		6.11

Stock and stock option-based compensation expense

	Three months				Six months
	ended June 30,				ended June 30,
Employee expenses	2019		2018		2019		2018
Stock options and compensation granted in:
2015		609,389		913,964		1,286,823		1,920,769
2018		–		–		13,038		–
2019		680,290				680,290
Total stock-based compensation expense recognized	$	1,289,679	$	913,964	$	1,980,151	$	1920,769

Stock-based compensation expense

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Stock-based compensation pertaining to general and administrative	$	984,984	$	456,982	$	1,323,701	$	960,384
Stock-based compensation pertaining to research and development		304,695		456,982		656,450		960,385
Total	$	1,289,679	$	913,964	$	1,980,151	$	1,920,769