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12. Stockholders' Equity: Common Stock Purchase Warrant Transactions (Details) - shares
 9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Details      
Class of Warrant or Right, Outstanding 6,641,694 12,900,123 14,100,123
Warrants Exercised   (1,200,000)  
Warrants issued 5,600,027    
Warrants Expired (10,816,789)    
Warrants excised (1,041,667)