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Stock Options - Summary of Stock Options Activity (Details)
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Share-based Payment Arrangement [Abstract]  
Number of Options, Outstanding Beginning Balance | shares 4,565,000
Number of Options, Expired | shares (115,000)
Number of Options, Outstanding Ending Balance | shares 4,450,000
Weighted Average Exercise Price, Outstanding Beginning Balance | $ / shares $ 0.13
Weighted Average Exercise Price, Expired | $ / shares 0.10
Weighted Average Exercise Price, Outstanding Ending Balance | $ / shares $ 0.13