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Shareholders Equity and Capital Stock (Details 6) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Outstanding warrants      
Outstanding Beginning Balance, Warrants 13,062,878 13,062,878 5,844,567
Number of warrants, issued 9,000,000   13,062,878
Number of warrants, expired     (5,844,567)
Outstanding Ending Balance, Warrants 22,062,878 13,062,878 13,062,878
Number of shares to be issued upon exercise      
Outstanding Beginning Balance, Number of shares to be issued upon exercise 6,531,439 6,531,439 5,844,567
Number of shares to be issued upon exercise, issued 4,500,000   6,531,439
Number of shares to be issued upon exercise, expired     (5,844,567)
Outstanding Ending Balance, Number of shares to be issued upon exercise 11,031,439 6,531,439 6,531,439
Per share exercise price      
Per share exercise price, Outstanding Beginning $ 1 $ 1 $ 0.97
Per share exercise price, issued 0.75   1.00
Per share exercise price, expired     0.97
Per share exercise price, Outstanding Ending $ 0.90 $ 1.00 $ 1.00