6. Other Real Estate Owned: Schedule of Change in Other Real Estate Owned (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Text Block [Abstract]
Other Real Estate, Beginning Balance	$ 479,627	$ 564,000
Additions, transfers from loans	0	148,000
Sales	(33,000)	(271,000)
Other Real Estate, Period Increase (Decrease)	496,000	441,000
Less: write-downs	0	39,000
Other Real Estate, Ending Balance	$ 447,371	$ 479,627