Shareholders' Equity and Capital Stock (Tables)
|
12 Months Ended |
Dec. 31, 2019 |
|---|
| Shareholders' Equity and Capital Stock [Abstract] |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted-
|
|
|
|
|
|
|
average
|
|
|
|
|
Options
|
|
exercise price
|
|
|
|
|
#
|
|
$
|
|
|
|
|
|
|
|
|
Balance, December 31, 2016
|
|
|
9,748,934
|
|
0.63
|
|
|
|
|
|
|
|
|
Granted
|
|
|
2,666,644
|
|
0.69
|
|
Exercised
|
|
|
(871,717)
|
|
0.62
|
|
Forfeited
|
|
|
(536,178)
|
|
0.64
|
|
Expired
|
|
|
(1,548,282)
|
|
0.71
|
|
|
|
|
|
|
|
|
Balance, December 31, 2017
|
|
|
9,459,401
|
|
0.70
|
|
|
|
|
|
|
|
|
Granted
|
|
|
2,182,955
|
|
0.70
|
|
Exercised
|
|
|
(496,838)
|
|
0.58
|
|
Forfeited
|
|
|
(275,085)
|
|
0.72
|
|
Expired
|
|
|
(1,138,821)
|
|
0.83
|
|
|
|
|
|
|
|
|
Balance, December 31, 2018
|
|
|
9,731,612
|
|
0.64
|
|
|
|
|
|
|
|
|
Granted
|
|
|
2,852,386
|
|
0.61
|
|
Exercised
|
|
|
(323,618)
|
|
0.63
|
|
Forfeited
|
|
|
(395,851)
|
|
0.71
|
|
Expired
|
|
|
(787,946)
|
|
0.83
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2019
|
|
|
11,076,583
|
|
0.64
|
|
| Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options outstanding
|
|
Options exercisable
|
|
|
|
|
|
|
|
Weighted-
|
|
|
|
|
|
Weighted-
|
|
|
|
|
|
|
|
|
|
average
|
|
|
|
|
|
average
|
|
|
|
|
|
|
|
|
|
remaining
|
|
Aggregate
|
|
|
|
remaining
|
|
Aggregate
|
|
|
|
Exercise
|
|
Number
|
|
contractual
|
|
intrinsic
|
|
Number
|
|
contractual
|
|
intrinsic
|
|
|
|
price
|
|
of options
|
|
life (years)
|
|
value
|
|
of options
|
|
life (years)
|
|
value
|
|
Expiry
|
|
$
|
|
|
|
|
|
$
|
|
|
|
|
|
$
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.84
|
|
200,000
|
|
0.4
|
|
-
|
|
200,000
|
|
0.4
|
|
-
|
|
29-May-20
|
|
0.63
|
|
516,902
|
|
0.6
|
|
-
|
|
516,902
|
|
0.6
|
|
-
|
|
17-Aug-20
|
|
0.59
|
|
897,508
|
|
0.9
|
|
-
|
|
897,508
|
|
0.9
|
|
-
|
|
11-Dec-20
|
|
0.54
|
|
2,337,434
|
|
2.0
|
|
40
|
|
2,337,434
|
|
2.0
|
|
40
|
|
16-Dec-21
|
|
0.75
|
|
300,000
|
|
2.2
|
|
-
|
|
300,000
|
|
2.2
|
|
-
|
|
02-Mar-22
|
|
0.54
|
|
200,000
|
|
2.7
|
|
3
|
|
132,000
|
|
2.7
|
|
2
|
|
07-Sep-22
|
|
0.66
|
|
1,769,411
|
|
3.0
|
|
-
|
|
1,187,174
|
|
3.0
|
|
-
|
|
15-Dec-22
|
|
0.56
|
|
200,000
|
|
3.2
|
|
-
|
|
66,000
|
|
3.2
|
|
-
|
|
30-Mar-23
|
|
0.68
|
|
976,259
|
|
3.6
|
|
-
|
|
339,859
|
|
3.6
|
|
-
|
|
20-Aug-23
|
|
0.67
|
|
826,683
|
|
4.0
|
|
-
|
|
278,351
|
|
4.0
|
|
-
|
|
14-Dec-23
|
|
0.58
|
|
2,852,386
|
|
4.8
|
|
-
|
|
0
|
|
-
|
|
-
|
|
05-Nov-24
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.64
|
|
11,076,583
|
|
3.0
|
|
43
|
|
6,255,228
|
|
2.1
|
|
42
|
|
|
|
| Schedule of Share-based Compensation, Restricted Stock Units Award Activity |
|
|
|
|
|
|
|
|
|
|
|
Number
|
|
Weighted
|
|
|
|
|
of
|
|
average grant
|
|
|
|
|
RSUs
|
|
date fair value
|
|
Balance, December 31, 2016
|
|
|
1,273,990
|
|
0.60
|
|
|
|
|
|
|
|
|
Granted
|
|
|
541,658
|
|
0.69
|
|
Vested and redeemed
|
|
|
(575,818)
|
|
0.69
|
|
Forfeited
|
|
|
(63,878)
|
|
0.58
|
|
|
|
|
|
|
|
|
Balance, December 31, 2017
|
|
|
1,175,952
|
|
0.65
|
|
|
|
|
|
|
|
|
Granted
|
|
|
470,756
|
|
0.71
|
|
Vested and redeemed
|
|
|
(621,092)
|
|
0.63
|
|
Forfeited
|
|
|
(40,120)
|
|
0.57
|
|
|
|
|
|
|
|
|
Balance, December 31, 2018
|
|
|
985,496
|
|
0.67
|
|
|
|
|
|
|
|
|
Granted
|
|
|
713,106
|
|
0.61
|
|
Vested and redeemed
|
|
|
(542,674)
|
|
0.68
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2019
|
|
|
1,155,928
|
|
0.65
|
|
| Schedule Of Share-Based Compensation, Shares Authorized Under Restricted Stock Units, By Grant Date |
|
|
|
|
|
|
|
|
|
|
|
Number of
|
|
Remaining
|
|
Aggregate
|
|
|
|
outstanding
|
|
life
|
|
intrinsic
|
|
Grant date
|
|
RSUs
|
|
(years)
|
|
value
|
|
|
|
|
|
|
|
$
|
|
August 20, 2018
|
|
225,774
|
|
0.64
|
|
126
|
|
December 14, 2018
|
|
217,048
|
|
0.96
|
|
122
|
|
November 5, 2019
|
|
713,106
|
|
1.85
|
|
399
|
|
|
|
|
|
|
|
|
|
|
|
1,155,928
|
|
1.40
|
|
647
|
|
| Schedule Of Share-Based Compensation, Warrants, Activity |
|
|
|
|
|
|
|
|
|
|
|
Number
|
|
Number of
|
|
|
|
|
|
of
|
|
shares to be issued
|
|
Per share
|
|
|
|
warrants
|
|
upon exercise
|
|
exercise price
|
|
Outstanding, December 31, 2016
|
|
5,844,567
|
|
5,844,567
|
|
1.02
|
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2017
|
|
5,844,567
|
|
5,844,567
|
|
0.97
|
|
|
|
|
|
|
|
|
|
Granted
|
|
13,062,878
|
|
6,531,439
|
|
1.00
|
|
Expired
|
|
(5,844,567)
|
|
(5,844,567)
|
|
0.97
|
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2018
|
|
13,062,878
|
|
6,531,439
|
|
1.00
|
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2019
|
|
13,062,878
|
|
6,531,439
|
|
1.00
|
|
| Schedule Of Share-based Compensation Shares Authorized Under Warrants Plans by exercise price range |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Remaining
|
|
Aggregate
|
|
|
|
Exercise
|
|
Number
|
|
contractual
|
|
Intrinsic
|
|
|
|
price
|
|
of warrants
|
|
life (years)
|
|
Value
|
|
Expiry
|
|
$
|
|
|
|
|
|
$
|
|
|
|
1.00
|
|
13,062,878
|
|
1.7
|
|
-
|
|
25-Sep-21
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
|
|
|
|
|
|
|
|
|
2019
|
|
2018
|
|
2017
|
|
|
|
|
|
|
|
|
Expected option life (years)
|
3.68
|
|
3.74-3.79
|
|
3.73-3.74
|
|
Expected warrant life (years)
|
-
|
|
3.00
|
|
-
|
|
Expected volatility
|
59.00%
|
|
54-57%
|
|
56-57%
|
|
Risk-free interest rate
|
1.60%
|
|
1.9%-2.2%
|
|
1.0%-1.6%
|
|
Expected dividend rate
|
0%
|
|
0%
|
|
0%
|
|
Forfeiture rate (options)
|
6.2%
|
|
5.8%-6.0%
|
|
5.3%-6.0%
|
|
Forfeiture rate (warrants)
|
-
|
|
0%
|
|
-
|
|
Forfeiture rate (RSUs)
|
4.8%
|
|
5.5-5.9%
|
|
6.1%
|
|