7. Stockholders' Equity (deficiency): Schedule of Assumptions Used (Details) - Stock Options Granted - Multi-Nomial Lattice	9 Months Ended	24 Months Ended
	Sep. 30, 2018 $ / shares	Dec. 31, 2017 $ / shares	Dec. 31, 2016 $ / shares
Stock Price	1.24	2.00	0.0001
Stock Price2	7.59	2.58
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	1.98%	0.45%	0.04%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	2.81%	1.47%	1.07%
Remaining Term 2	3.0	3.0	10.0
Remaining Term1		1.0
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	97.80%	101.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	145.99%	105.00%	94.00%
Expected Dividend Yield	0.00%	0.00%	0.00%
Fair Value Exercise Price Maximum	$ 1.032	$ 0.88	$ 0.74
Expected Forfeiture Rate, Minimum	0.00%	0.00%	5.00%
Expected Forfeiture Rate, Maximum		5.00%	20.00%