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v3.20.4

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

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