10. Stockholders' Equity: Schedule of activity related to common stock warrants (Details) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Details
Warrants, Balance	3,541,731
Stock Purchase Warrants Balance, Weighted Average Exercise Price	$ 0.74	$ 0.68
Warrants, Issued		846,980
Stock Purchase Warrants Issued, Weighted Average Exercise Price		$ 0.80
Warrants exercised	(22,242)	(876,337)
Warrants exercised, weighted average exercise price	$ 0.65	$ 0.51
Cashless Exercise of Warrants	(498,290)	(23,993)
Cashless Exercise Warrants Weighted Average Exercise Price	$ 0.75	$ 0.50
Warrants expired	(99,463)	0
Warrants expired, weighted average exercise price	$ 0.50	$ 0.72
Warrants, Balance	2,921,736	3,541,731
Stock Purchase Warrants Balance, Weighted Average Exercise Price	$ 0.76	$ 0.74