| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|
|
|
Options
outstanding
|
|
|
Weighted
average
exercise
price
|
|
Underlying Exercise Price Currency
|
|
Weighted average
remaining
contractual term
(in years)
|
|
|
Aggregate
intrinsic
value
|
|
|
Outstanding at January 1, 2012
|
|
|
191
|
|
|
$
|
30.16
|
|
CND
|
|
|
3.2
|
|
|
$
|
—
|
|
|
Options granted
|
|
|
102
|
|
|
|
16.12
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options expired
|
|
|
(29
|
)
|
|
|
37.44
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options forfeited
|
|
|
(23
|
)
|
|
|
25.48
|
|
CND
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2012
|
|
|
241
|
|
|
$
|
23.92
|
|
CND
|
|
|
3.5
|
|
|
$
|
—
|
|
|
Options granted
|
|
|
71
|
|
|
|
13.00
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options granted
|
|
|
1,114
|
|
|
|
4.41
|
|
US
|
|
|
|
|
|
|
|
|
|
Options expired
|
|
|
(14
|
)
|
|
|
41.02
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options forfeited
|
|
|
(50
|
)
|
|
|
27.83
|
|
CND
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2013
|
|
|
1,362
|
|
|
$
|
7.10
|
|
US
|
|
|
4.5
|
|
|
$
|
—
|
|
|
Options granted
|
|
|
87
|
|
|
|
2.57
|
|
US
|
|
|
|
|
|
|
|
|
|
Options expired
|
|
|
(5
|
)
|
|
|
27.16
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options forfeited
|
|
|
(12
|
)
|
|
|
29.89
|
|
CND
|
|
|
|
|
|
|
|
|
|
Options forfeited
|
|
|
(54
|
)
|
|
|
4.41
|
|
US
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2014
|
|
|
1,378
|
|
|
$
|
6.65
|
|
US
|
|
|
3.6
|
|
|
$
|
—
|
|
|
Vested or expected to vest at December 31, 2014
|
|
|
1,326
|
|
|
$
|
6.26
|
|
US
|
|
|
3.6
|
|
|
$
|
—
|
|
|
Exercisable at December 31, 2014
|
|
|
635
|
|
|
$
|
7.48
|
|
US
|
|
|
3.5
|
|
|
$
|
—
|
|
|