9. Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Effective rate reconciliation
Tax at statutory rate (34%)	$ (109,000)	$ 8,000
Change in tax rate	1,551,000	0
Nondeductible expenses	8,000	9,000
Increase in valuation allowance	(1,371,000)	(31,000)
True-up of NOL	(74,000)	3,000
Other	(5,000)	11,000
Provision for income taxes	$ 0	$ 0