| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|
Options
|
|
Stock Options
|
|
|
Weighted
Average
Exercise
Price
|
|
|
Weighted
Average
Remaining
Contractual Term
|
|
|
Aggregate
Intrinsic Value
|
|
|
In Canadian dollars ($CDN):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2014
|
|
|
687,533
|
|
|
$
|
7.53
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
—
|
|
|
|
—
|
|
|
|
|
|
|
|
|
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Exercised
|
|
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—
|
|
|
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—
|
|
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
(6,666
|
)
|
|
|
8.64
|
|
|
|
|
|
|
|
|
|
|
Expired
|
|
|
(508,332
|
)
|
|
|
7.42
|
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2014
|
|
|
172,535
|
|
|
$
|
7.80
|
|
|
|
0.37
|
|
|
$
|
—
|
|
|
Vested or expected to vest at December 31, 2014
|
|
|
172,535
|
|
|
$
|
7.80
|
|
|
|
0.37
|
|
|
$
|
—
|
|
|
Vested and exercisable at December 31, 2014
|
|
|
172,535
|
|
|
$
|
7.80
|
|
|
|
0.37
|
|
|
$
|
—
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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In US dollars ($US):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2014
|
|
|
3,727,500
|
|
|
$
|
3.41
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
1,444,500
|
|
|
|
1.82
|
|
|
|
|
|
|
|
|
|
|
Exercised
|
|
|
(6,000
|
)
|
|
|
1.10
|
|
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
(71,000
|
)
|
|
|
3.76
|
|
|
|
|
|
|
|
|
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|
Expired
|
|
|
(50,000
|
)
|
|
|
1.83
|
|
|
|
|
|
|
|
|
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|
Outstanding at December 31, 2014
|
|
|
5,045,000
|
|
|
$
|
2.97
|
|
|
|
6.01
|
|
|
$
|
543,010
|
|
|
Vested or expected to vest at December 31, 2014
|
|
|
4,938,695
|
|
|
$
|
2.99
|
|
|
|
5.97
|
|
|
$
|
529,330
|
|
|
Vested and exercisable at December 31, 2014
|
|
|
2,172,303
|
|
|
$
|
3.96
|
|
|
|
4.35
|
|
|
$
|
186,549
|
|
|
| Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
|
Restricted Share Units
|
|
Restricted Share
Units
|
|
|
Weighted
Average
Fair Value per Unit
|
|
|
Outstanding at January 1, 2014
|
|
|
191,613
|
|
|
$
|
1.76
|
|
|
Granted
|
|
|
81,695
|
|
|
|
3.06
|
|
|
Converted
|
|
|
(110,104
|
)
|
|
|
3.47
|
|
|
Outstanding at December 31, 2014
|
|
|
163,204
|
|
|
$
|
1.90
|
|
|
Expected to vest at December 31, 2014
|
|
|
163,204
|
|
|
$
|
1.90
|
|
|