Shareholders' Equity and Capital Stock (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified
|
6 Months Ended |
|
Jun. 30, 2014
|
Dec. 31, 2013
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.23
|
$ 1.19
|
Number of options, Outstanding |
8,153,094
|
9,273,659
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 7 months 6 days
|
|
Aggregate Intrinsic Value, Outstanding |
$ 1,372
|
|
Number of options, Exercisable |
7,187,700
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 4 months 24 days
|
|
Aggregate Intrinsic Value, Exercisable |
1,308
|
|
Stock Option Exercise Price Range One [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 0.84
|
|
Number of options, Outstanding |
508,376
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 months 12 days
|
|
Aggregate Intrinsic Value, Outstanding |
138
|
|
Number of options, Exercisable |
508,376
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 months 12 days
|
|
Aggregate Intrinsic Value, Exercisable |
138
|
|
Expiry |
Sep.
02,
2014
|
|
Stock Option Exercise Price Range Two [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 0.76
|
|
Number of options, Outstanding |
462,064
|
|
Weighted- average remaining contractual life (years), Outstanding |
8 months 12 days
|
|
Aggregate Intrinsic Value, Outstanding |
160
|
|
Number of options, Exercisable |
462,064
|
|
Weighted- average remaining contractual life (years), Exercisable |
8 months 12 days
|
|
Aggregate Intrinsic Value, Exercisable |
160
|
|
Expiry |
Mar.
05,
2015
|
|
Stock Option Exercise Price Range Three [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 2.69
|
|
Number of options, Outstanding |
1,277,741
|
|
Weighted- average remaining contractual life (years), Outstanding |
1 year 7 months 6 days
|
|
Aggregate Intrinsic Value, Outstanding |
0
|
|
Number of options, Exercisable |
1,277,741
|
|
Weighted- average remaining contractual life (years), Exercisable |
1 year 7 months 6 days
|
|
Aggregate Intrinsic Value, Exercisable |
0
|
|
Expiry |
Jan. 28,
2016
|
|
Stock Option Exercise Price Range Four [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.47
|
|
Number of options, Outstanding |
545,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years
|
|
Aggregate Intrinsic Value, Outstanding |
0
|
|
Number of options, Exercisable |
545,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years
|
|
Aggregate Intrinsic Value, Exercisable |
0
|
|
Expiry |
Jul.
07,
2016
|
|
Stock Option Exercise Price Range Five [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.10
|
|
Number of options, Outstanding |
677,223
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 2 months 12 days
|
|
Aggregate Intrinsic Value, Outstanding |
19
|
|
Number of options, Exercisable |
677,223
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 2 months 12 days
|
|
Aggregate Intrinsic Value, Exercisable |
19
|
|
Expiry |
Sep.
09,
2016
|
|
Stock Option Exercise Price Range Six [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.09
|
|
Number of options, Outstanding |
200,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 3 months 18 days
|
|
Aggregate Intrinsic Value, Outstanding |
7
|
|
Number of options, Exercisable |
200,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 3 months 18 days
|
|
Aggregate Intrinsic Value, Exercisable |
7
|
|
Expiry |
Oct. 24,
2016
|
|
Stock Option Exercise Price Range Seven [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 0.85
|
|
Number of options, Outstanding |
983,167
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 6 months
|
|
Aggregate Intrinsic Value, Outstanding |
258
|
|
Number of options, Exercisable |
983,167
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 6 months
|
|
Aggregate Intrinsic Value, Exercisable |
258
|
|
Expiry |
Jan. 12,
2017
|
|
Stock Option Exercise Price Range Eight [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.30
|
|
Number of options, Outstanding |
200,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 7 months 6 days
|
|
Aggregate Intrinsic Value, Outstanding |
0
|
|
Number of options, Exercisable |
200,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 7 months 6 days
|
|
Aggregate Intrinsic Value, Exercisable |
0
|
|
Expiry |
Feb.
01,
2017
|
|
Stock Option Exercise Price Range Nine [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.11
|
|
Number of options, Outstanding |
100,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
2 years 8 months 12 days
|
|
Aggregate Intrinsic Value, Outstanding |
2
|
|
Number of options, Exercisable |
100,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
2 years 8 months 12 days
|
|
Aggregate Intrinsic Value, Exercisable |
2
|
|
Expiry |
Mar.
01,
2017
|
|
Stock Option Exercise Price Range Ten [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 0.71
|
|
Number of options, Outstanding |
1,371,994
|
|
Weighted- average remaining contractual life (years), Outstanding |
3 years 4 months 24 days
|
|
Aggregate Intrinsic Value, Outstanding |
540
|
|
Number of options, Exercisable |
1,371,994
|
|
Weighted- average remaining contractual life (years), Exercisable |
3 years 4 months 24 days
|
|
Aggregate Intrinsic Value, Exercisable |
540
|
|
Expiry |
Dec.
07,
2017
|
|
Stock Option Exercise Price Range Eleven [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 0.72
|
|
Number of options, Outstanding |
620,971
|
|
Weighted- average remaining contractual life (years), Outstanding |
3 years 9 months 18 days
|
|
Aggregate Intrinsic Value, Outstanding |
239
|
|
Number of options, Exercisable |
471,527
|
|
Weighted- average remaining contractual life (years), Exercisable |
3 years 9 months 18 days
|
|
Aggregate Intrinsic Value, Exercisable |
181
|
|
Expiry |
Apr. 25,
2018
|
|
Stock Option Exercise Price Range Twelve [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.16
|
|
Number of options, Outstanding |
100,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
4 years 1 month 6 days
|
|
Aggregate Intrinsic Value, Outstanding |
0
|
|
Number of options, Exercisable |
54,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
4 years 1 month 6 days
|
|
Aggregate Intrinsic Value, Exercisable |
0
|
|
Expiry |
Aug.
01,
2018
|
|
Stock Option Exercise Price Range Thirteen [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.12
|
|
Number of options, Outstanding |
1,006,558
|
|
Weighted- average remaining contractual life (years), Outstanding |
4 years 6 months
|
|
Aggregate Intrinsic Value, Outstanding |
9
|
|
Number of options, Exercisable |
326,608
|
|
Weighted- average remaining contractual life (years), Exercisable |
4 years 6 months
|
|
Aggregate Intrinsic Value, Exercisable |
3
|
|
Expiry |
Dec. 27,
2018
|
|
Stock Option Exercise Price Range Fourteen Member [Member]
|
|
|
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
Exercise price |
$ 1.57
|
|
Number of options, Outstanding |
100,000
|
|
Weighted- average remaining contractual life (years), Outstanding |
4 years 9 months 18 days
|
|
Aggregate Intrinsic Value, Outstanding |
0
|
|
Number of options, Exercisable |
10,000
|
|
Weighted- average remaining contractual life (years), Exercisable |
4 years 9 months 18 days
|
|
Aggregate Intrinsic Value, Exercisable |
$ 0
|
|
Expiry |
Mar. 31,
2019
|
|