7. Other Real Estate Owned: Schedule of Change in Other Real Estate Owned (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Text Block [Abstract]
Other Real Estate, Beginning Balance	$ 447,371	$ 480,000
Additions, transfers from loans	0	0
Sales	0	(17,000)
Other Real Estate, Period Increase (Decrease)	447,000	463,000
Write-ups (Write-downs)	0	0
Other Real Estate, Ending Balance	$ 447,371	$ 463,000