Shareholders' Equity and Capital Stock (Tables)
|
3 Months Ended |
Mar. 31, 2017 |
|---|
| Shareholders' Equity and Capital Stock [Abstract] |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted-
|
|
|
|
|
|
|
average
|
|
|
|
|
Options
|
|
exercise price
|
|
|
|
|
#
|
|
US$
|
|
|
|
|
|
|
|
|
Balance, December 31, 2016
|
|
|
9,748,934
|
|
0.63
|
|
|
|
|
|
|
|
|
Granted
|
|
|
300,000
|
|
0.77
|
|
Exercised
|
|
|
(549,952)
|
|
0.63
|
|
Forfeited
|
|
|
(200,808)
|
|
0.56
|
|
Expired
|
|
|
(870,434)
|
|
0.79
|
|
|
|
|
|
|
|
|
Outstanding, March 31, 2017
|
|
|
8,427,740
|
|
0.66
|
|
| 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
|
|
US$
|
|
|
|
|
|
US$
|
|
|
|
|
|
US$
|
|
|
|
|
|
|
|
|
|
(thousands)
|
|
|
|
|
|
(thousands)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.57
|
|
930,377
|
|
0.7
|
|
80
|
|
930,377
|
|
0.7
|
|
80
|
|
07-Dec-17
|
|
0.58
|
|
484,228
|
|
1.1
|
|
37
|
|
484,228
|
|
1.1
|
|
37
|
|
25-Apr-18
|
|
0.93
|
|
100,000
|
|
1.3
|
|
-
|
|
100,000
|
|
1.3
|
|
-
|
|
01-Aug-18
|
|
0.90
|
|
794,443
|
|
1.7
|
|
-
|
|
794,443
|
|
1.7
|
|
-
|
|
27-Dec-18
|
|
1.26
|
|
100,000
|
|
2.0
|
|
-
|
|
100,000
|
|
2.0
|
|
-
|
|
31-Mar-19
|
|
0.77
|
|
831,162
|
|
2.7
|
|
-
|
|
831,162
|
|
2.7
|
|
-
|
|
12-Dec-19
|
|
0.86
|
|
200,000
|
|
3.2
|
|
-
|
|
200,000
|
|
3.2
|
|
-
|
|
29-May-20
|
|
0.65
|
|
690,451
|
|
3.4
|
|
12
|
|
690,451
|
|
3.4
|
|
12
|
|
17-Aug-20
|
|
0.60
|
|
1,128,332
|
|
3.7
|
|
68
|
|
866,037
|
|
3.7
|
|
52
|
|
11-Dec-20
|
|
0.55
|
|
2,868,747
|
|
4.7
|
|
296
|
|
291,635
|
|
4.7
|
|
30
|
|
16-Dec-21
|
|
0.77
|
|
300,000
|
|
4.9
|
|
-
|
|
30,000
|
|
4.9
|
|
-
|
|
02-Mar-22
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.66
|
|
8,427,740
|
|
3.2
|
|
493
|
|
5,318,333
|
|
2.4
|
|
211
|
|
|
|
| Schedule of Share-based Compensation, Restricted Stock Units Award Activity |
|
|
|
|
|
|
|
|
|
|
|
Number
|
|
Weighted
|
|
|
|
|
of
|
|
average grant
|
|
|
|
|
RSUs
|
|
date fair value
|
|
|
|
|
|
|
US$
|
|
Unvested, December 31, 2016
|
|
|
1,273,990
|
|
0.60
|
|
|
|
|
|
|
|
|
Vested
|
|
|
(175,996)
|
|
0.80
|
|
Forfeited
|
|
|
(22,518)
|
|
0.57
|
|
|
|
|
|
|
|
|
Unvested, March 31, 2017
|
|
|
1,075,476
|
|
0.58
|
|
| Schedule Of Share-Based Compensation, Shares Authorized Under Restricted Stock Units, By Grant Date |
|
|
|
|
|
|
|
|
|
|
|
Number of
|
|
Remaining
|
|
Aggregate
|
|
|
|
unvested
|
|
life
|
|
Intrinsic
|
|
Grant date
|
|
RSUs
|
|
(years)
|
|
Value
|
|
|
|
|
|
|
|
US$
|
|
|
|
|
|
|
|
(thousands)
|
|
August 17, 2015
|
|
161,384
|
|
0.38
|
|
108
|
|
December 11, 2015
|
|
248,226
|
|
0.69
|
|
166
|
|
December 16, 2016
|
|
665,866
|
|
1.71
|
|
446
|
|
|
|
|
|
|
|
|
|
|
|
1,075,476
|
|
1.27
|
|
720
|
|
| Schedule Of Share-Based Compensation, Warrants, Activity |
|
|
|
|
|
|
|
|
|
|
|
Number
|
|
Weighted-
|
|
|
|
|
of
|
|
average
|
|
|
|
|
Warrants
|
|
exercise price
|
|
|
|
|
|
|
US$
|
|
Outstanding, December 31, 2016
|
|
|
5,844,567
|
|
0.91
|
|
|
|
|
|
|
|
|
Outstanding, March 31, 2017
|
|
|
5,844,567
|
|
0.91
|
|
| 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
|
|
US$
|
|
|
|
|
|
US$
|
|
|
|
|
|
|
|
|
|
(thousands)
|
|
|
|
0.90
|
|
4,294,167
|
|
1.2
|
|
-
|
|
24-Jun-18
|
|
0.94
|
|
1,550,400
|
|
1.4
|
|
-
|
|
27-Aug-18
|
|
|
|
|
|
|
|
|
|
|
|
0.91
|
|
5,844,567
|
|
1.3
|
|
-
|
|
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
|
|
|
|
|
Three months ended March 31,
|
|
|
2017
|
|
Expected option life (years)
|
3.70
|
|
Expected volatility
|
57.45%
|
|
Risk-free interest rate
|
1.00%
|
|
Expected dividend rate
|
0%
|
|
Forfeiture rate
|
5.4%
|
|