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Shareholders' Equity and Capital Stock (Details Textual)
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9 Months Ended | 9 Months Ended | 9 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
USD ($)
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Sep. 30, 2013
USD ($)
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Sep. 30, 2014
CAD
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Dec. 31, 2013
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Dec. 31, 2013
Capital Stock
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Sep. 30, 2014
In Money Stock Option [Member]
USD ($)
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Sep. 30, 2014
Restricted Stock Units (Rsus) [Member]
USD ($)
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Sep. 30, 2013
Restricted Stock Units (Rsus) [Member]
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Sep. 30, 2014
Restricted Stock Units (Rsus) [Member]
Capital Stock
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Sep. 30, 2014
Grant Date [Member]
Employee Stock Option [Member]
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Sep. 30, 2014
Four and One Half Months After Grant [Member]
Employee Stock Option [Member]
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Sep. 30, 2014
Nine Months After Grant [Member]
Employee Stock Option [Member]
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Sep. 30, 2014
Thirteen and One Half Months After Grant [Member]
Employee Stock Option [Member]
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Sep. 30, 2014
Eighteen Months After Date Of Grant [Member]
Employee Stock Option [Member]
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Sep. 30, 2014
First Anniversary [Member]
Restricted Stock Units (Rsus) [Member]
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Sep. 30, 2014
Second Anniversary [Member]
Restricted Stock Units (Rsus) [Member]
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| Stockholder's Equity Note [Line Items] | ||||||||||||||||
| Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Percentage | 10.00% | 22.00% | 22.00% | 22.00% | 24.00% | 50.00% | 50.00% | |||||||||
| Share Price | 1.13 | |||||||||||||||
| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number | 7,554,788 | 9,273,659 | 3,404,519 | |||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 6,869,738 | 3,259,146 | ||||||||||||||
| Stock based compensation | $ 720,000 | $ 914,000 | ||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options | 300,000 | |||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options | 200,000 | |||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 8 months 12 days | 1 year 1 month 6 days | ||||||||||||||
| Proceeds from Stock Options Exercised | 1,298,000 | 83,000 | ||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value | $ 0 | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $ 600,000 | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 0 | 0 | ||||||||||||||
| Number of securities called by each unit | 1 | 1 | ||||||||||||||