|
Shareholders' Equity and Capital Stock (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
|
12 Months Ended |
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|
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|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
| Exercise price |
$ 1.19
|
$ 1.32
|
$ 1.75
|
$ 1.79
|
| Number of options, Outstanding |
9,273,659
|
8,511,722
|
6,413,902
|
5,665,568
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 3,381
|
|
|
|
| Number of options, Exercisable |
7,028,291
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 6 months
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
2,384
|
|
|
|
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Stock Option Exercise Price Range One [Member]
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|
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| Exercise price |
$ 0.66
|
|
|
|
| Number of options, Outstanding |
145,909
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 month 6 days
|
|
|
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| Aggregate Intrinsic Value, Outstanding |
101
|
|
|
|
| Number of options, Exercisable |
145,909
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 month 6 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
101
|
|
|
|
| Expiry |
Feb.
09,
2014
|
|
|
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Stock Option Exercise Price Range Two [Member]
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|
|
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| Exercise price |
$ 0.84
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|
|
|
| Number of options, Outstanding |
776,257
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
8 months 12 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
396
|
|
|
|
| Number of options, Exercisable |
776,257
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
8 months 12 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
396
|
|
|
|
| Expiry |
Sep.
02,
2014
|
|
|
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Stock Option Exercise Price Range Three [Member]
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|
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| Exercise price |
$ 0.76
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|
|
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| Number of options, Outstanding |
554,074
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 2 months 12 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
327
|
|
|
|
| Number of options, Exercisable |
554,074
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 2 months 12 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
327
|
|
|
|
| Expiry |
Mar.
05,
2015
|
|
|
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Stock Option Exercise Price Range Four [Member]
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|
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| Exercise price |
$ 2.68
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|
|
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| Number of options, Outstanding |
1,318,293
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
2 years 1 month 6 days
|
|
|
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| Aggregate Intrinsic Value, Outstanding |
0
|
|
|
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| Number of options, Exercisable |
1,318,293
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 1 month 6 days
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|
|
|
| Aggregate Intrinsic Value, Exercisable |
0
|
|
|
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| Expiry |
Jan. 28,
2016
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|
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Stock Option Exercise Price Range Five [Member]
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|
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| Exercise price |
$ 1.47
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|
|
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| Number of options, Outstanding |
645,000
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
2 years 6 months
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
0
|
|
|
|
| Number of options, Exercisable |
645,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 6 months
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
0
|
|
|
|
| Expiry |
Jul.
07,
2016
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|
|
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Stock Option Exercise Price Range Six [Member]
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|
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| Exercise price |
$ 1.09
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|
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| Number of options, Outstanding |
759,809
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
2 years 8 months 12 days
|
|
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| Aggregate Intrinsic Value, Outstanding |
198
|
|
|
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| Number of options, Exercisable |
759,809
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 8 months 12 days
|
|
|
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| Aggregate Intrinsic Value, Exercisable |
198
|
|
|
|
| Expiry |
Sep.
09,
2016
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|
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Stock Option Exercise Price Range Seven [Member]
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| Exercise price |
$ 1.08
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|
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| Number of options, Outstanding |
200,000
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
2 years 9 months 18 days
|
|
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| Aggregate Intrinsic Value, Outstanding |
54
|
|
|
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| Number of options, Exercisable |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 9 months 18 days
|
|
|
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| Aggregate Intrinsic Value, Exercisable |
54
|
|
|
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| Expiry |
Oct. 24,
2016
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Stock Option Exercise Price Range Eight [Member]
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| Exercise price |
$ 0.85
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|
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| Number of options, Outstanding |
1,110,871
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
3 years
|
|
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| Aggregate Intrinsic Value, Outstanding |
555
|
|
|
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| Number of options, Exercisable |
1,110,871
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years
|
|
|
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| Aggregate Intrinsic Value, Exercisable |
555
|
|
|
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| Expiry |
Jan. 12,
2017
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|
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Stock Option Exercise Price Range Nine [Member]
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| Exercise price |
$ 1.30
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| Number of options, Outstanding |
200,000
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|
|
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| Weighted- average remaining contractual life (years), Outstanding |
3 years 1 month 6 days
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|
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| Aggregate Intrinsic Value, Outstanding |
10
|
|
|
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| Number of options, Exercisable |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 1 month 6 days
|
|
|
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| Aggregate Intrinsic Value, Exercisable |
10
|
|
|
|
| Expiry |
Feb.
01,
2017
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|
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Stock Option Exercise Price Range Ten [Member]
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| Exercise price |
$ 1.10
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| Number of options, Outstanding |
100,000
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
3 years 2 months 12 days
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|
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| Aggregate Intrinsic Value, Outstanding |
25
|
|
|
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| Number of options, Exercisable |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 2 months 12 days
|
|
|
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| Aggregate Intrinsic Value, Exercisable |
25
|
|
|
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| Expiry |
Mar.
01,
2017
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|
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Stock Option Exercise Price Range Eleven [Member]
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| Exercise price |
$ 0.71
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| Number of options, Outstanding |
1,594,312
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
3 years 10 months 24 days
|
|
|
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| Aggregate Intrinsic Value, Outstanding |
1,020
|
|
|
|
| Number of options, Exercisable |
860,928
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 10 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
551
|
|
|
|
| Expiry |
Dec.
07,
2017
|
|
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Stock Option Exercise Price Range Twelve [Member]
|
|
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| Exercise price |
$ 0.72
|
|
|
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| Number of options, Outstanding |
673,791
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 3 months 18 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
424
|
|
|
|
| Number of options, Exercisable |
215,613
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 3 months 18 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
136
|
|
|
|
| Expiry |
Apr. 25,
2018
|
|
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Stock Option Exercise Price Range Thirteen [Member]
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| Exercise price |
$ 1.16
|
|
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| Number of options, Outstanding |
100,000
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
4 years 7 months 6 days
|
|
|
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| Aggregate Intrinsic Value, Outstanding |
19
|
|
|
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| Number of options, Exercisable |
32,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 7 months 6 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
6
|
|
|
|
| Expiry |
Aug.
01,
2018
|
|
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Stock Option Exercise Price Range Fourteen Member [Member]
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|
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| Exercise price |
$ 1.12
|
|
|
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| Number of options, Outstanding |
1,095,343
|
|
|
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| Weighted- average remaining contractual life (years), Outstanding |
5 years
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
252
|
|
|
|
| Number of options, Exercisable |
109,537
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
5 years
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 25
|
|
|
|
| Expiry |
Dec. 27,
2018
|
|
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