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11. Stock Options (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Dec. 31, 2016
Details      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures   662,500  
Options issued to consultants and employees value   $ 66,539  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 7,154,500 7,662,500 7,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period (500,000) (500,000)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures   662,500  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ (8,000)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 6,892,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value $ 605,000