Annual report pursuant to Section 13 and 15(d)

Stockholders' Deficiency - Summary of Warrants Activity (Details)

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Stockholders' Deficiency - Summary of Warrants Activity (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Number of Shares Warrants Exercisable 54,755,740  
Weighted Average Remaining Life in Years Exercisable 2 years 3 months 18 days  
Warrants [Member]    
Number of Shares Warrants Outstanding Beginning Balance 61,043,591 54,088,323
Number of Shares Warrants Issued 7,688,618 8,330,014
Number of Shares Warrants Exercised
Number of Shares Warrants Cancelled/forfeited/expired (13,976,469) (1,374,746)
Number of Shares Warrants Outstanding Ending Balance 54,755,740 61,043,591
Number of Shares Warrants Exercisable 54,755,740
Weighted Average Exercise Price Warrants Outstanding at Beginning Balance $ 1.08 [1] $ 1.28
Weighted Average Exercise Price Warrants Issued 0.83 0.87
Weighted Average Exercise Price Warrants Exercised
Weighted Average Exercise Price Warrants Cancelled/forfeited/expired 1.71 1.55
Weighted Average Exercise Price Warrants Outstanding at Ending Balance [1] 0.88 $ 1.08
Weighted Average Exercise Price Warrants Exercisable [1] $ 0.88  
Weighted Average Remaining Life in Years Outstanding 2 years 3 months 18 days  
Weighted Average Remaining Life in Years Exercisable 2 years 3 months 18 days  
Aggregate Intrinsic Value Outstanding  
Aggregate Intrinsic Value Exercisable  
[1] During 2015, the exercise price of warrants to purchase an aggregate of 19,599,999 shares of common stock was reduced to $0.70 per share from exercise prices ranging from $1.05 to $1.00 per share.