XML 95 R81.htm IDEA: XBRL DOCUMENT v3.21.1
11. Equity: Share-based Compensation, Stock Options, Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Details        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number     5,262,500 7,054,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 2,100,000   2,100,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period   (2,012,500) (3,892,000)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ (1,150,000)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 2,100,000 2,100,000