Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock (Details 4)

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Shareholders' Equity and Capital Stock (Details 4) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Class of Warrant or Right [Line Items]  
Number of warrants 8,374,112
Remaining contractual life (years) 3 years 6 months
Aggregate Intrinsic Value $ 56
Warrants Exercise Price Range One [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 0.92
Number of warrants 50,000
Remaining contractual life (years) 1 year 2 months 12 days
Aggregate Intrinsic Value 10
Expiry Sep. 04, 2015
Warrants Exercise Price Range Two [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 1.12
Number of warrants 100,000
Remaining contractual life (years) 1 year 3 months 18 days
Aggregate Intrinsic Value 1
Expiry Nov. 01, 2015
Warrants Exercise Price Range Three [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 0.93
Number of warrants 25,000
Remaining contractual life (years) 1 year 8 months 12 days
Aggregate Intrinsic Value 5
Expiry Mar. 05, 2016
Warrants Exercise Price Range Four [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 1.35
Number of warrants 2,354,545
Remaining contractual life (years) 2 years 6 months
Aggregate Intrinsic Value 0
Expiry Dec. 19, 2016
Warrants Exercise Price Range Five [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 1.12
Number of warrants 4,294,167
Remaining contractual life (years) 4 years
Aggregate Intrinsic Value 40
Expiry Jun. 24, 2018
Warrants Exercise Price Range Six [Member]
  
Class of Warrant or Right [Line Items]  
Exercise price $ 1.17
Number of warrants 1,550,400
Remaining contractual life (years) 4 years 2 months 12 days
Aggregate Intrinsic Value $ 0
Expiry Aug. 27, 2018