Share-based compensation (Tables)

9 Months Ended

Sep. 30, 2019

Share-based compensation

Schedule of company's stock option plan

A summary of the activity for stock options issued under the Company’s Plans for the indicated periods is presented below:

		Weighted
		Average
		Exercise
Stock Option Totals	Shares	Price
Outstanding at December 31, 2017	3,069,440	$	4.28
-Exercised	(5,000)	$	3.43
-Granted	3,874,200	$	1.19
-Cancelled	(2,523,243)	$	4.92
Outstanding at December 31, 2018	4,415,397	$	1.20
-Exercised	(10,000)	$	0.89
-Granted	524,800	$	0.98
-Cancelled	(122,820)	$	1.17
Outstanding at September 30, 2019	4,807,377	$	1.18

Schedule of weighted average contractual life and exercise price

The following is the weighted average contractual life in years and the weighted average exercise price at September 30, 2019 of:

		Weighted
		Average		Weighted
		Remaining		Average
	Number of	Contractual		Exercise
	Options	Life		Price
Options outstanding and vested	4,312,387	2.04	years	$	1.19