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Stock Options (Tables)
12 Months Ended
Dec. 31, 2020
Stock Options  
Stock Option

Stock option activity for the year ended December 31, 2020, is summarized as follows:

 

    Shares   Weighted Average Exercise Price   Weighted Average Remaining Contractual Life (Years)
Options outstanding and exercisable at December 31, 2019       12,180,500     $ 0.21       5.59  
Options outstanding and exercisable at December 31, 2020       12,180,500     $ 0.21       4.63