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7. Earnings per Share: Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Details    
Stock options 5,625,000 5,012,500
Stock purchase warrants 5,975,027 6,333,334
Convertible debt 9,710,318 4,916,667
Total 21,310,345 16,262,501