6. Loans and Allowance For Loan Losses: Schedule of Age Analysis of Allowance for Loan Losses (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Beginning balance	$ 300,000	$ 418,000
Provision for loan losses	(30,000)	(35,000)
Charge-offs	(1,000)	(2,000)
Recoveries	3,000	3,000
Net charge-offs	2,000	1,000
Ending balance	273,000	384,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	50,000		$ 54,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	223,000		246,000
Period-end amount allocated to: Total	272,795		300,428
Loans, ending balance: Loans individually evaluated for impairment	2,078,000		2,083,000
Loans, ending balance: Loans collectively evaluated for impairment	23,568,000		24,752,000
Loans and Leases Receivable, Net of Deferred Income	25,646,265		26,835,035
Commercial And Industrial
Beginning balance	68,000	151,000
Provision for loan losses	(6,000)	(32,000)
Charge-offs	0	0
Recoveries	1,000	1,000
Net charge-offs	1,000	1,000
Ending balance	63,000	120,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	63,000		68,000
Period-end amount allocated to: Total	63,000		68,000
Loans, ending balance: Loans individually evaluated for impairment	352,000		352,000
Loans, ending balance: Loans collectively evaluated for impairment	1,716,000		1,797,000
Loans and Leases Receivable, Net of Deferred Income	2,068,000		2,149,000
Commercial Real Estate Portfolio Segment
Beginning balance	179,000	250,000
Provision for loan losses	(8,000)	(9,000)
Charge-offs	0	0
Recoveries	0	0
Net charge-offs	0	0
Ending balance	171,000	241,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	50,000		54,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	121,000		125,000
Period-end amount allocated to: Total	171,000		179,000
Loans, ending balance: Loans individually evaluated for impairment	1,726,000		1,731,000
Loans, ending balance: Loans collectively evaluated for impairment	18,885,000		19,757,000
Loans and Leases Receivable, Net of Deferred Income	20,611,000		21,488,000
Consumer Real Estate
Beginning balance	10,000	8,000
Provision for loan losses	(3,000)	6,000
Charge-offs	0	0
Recoveries	1,000	0
Net charge-offs	1,000	0
Ending balance	8,000	14,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	8,000		10,000
Period-end amount allocated to: Total	8,000		10,000
Loans, ending balance: Loans individually evaluated for impairment	0		0
Loans, ending balance: Loans collectively evaluated for impairment	2,039,000		2,232,000
Loans and Leases Receivable, Net of Deferred Income	2,039,000		2,232,000
Consumer And Other Loans
Beginning balance	11,000	9,000
Provision for loan losses	0	0
Charge-offs	(1,000)	(2,000)
Recoveries	1,000	2,000
Net charge-offs	0	0
Ending balance	11,000	9,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	11,000		11,000
Period-end amount allocated to: Total	11,000		11,000
Loans, ending balance: Loans individually evaluated for impairment	0		0
Loans, ending balance: Loans collectively evaluated for impairment	928,000		966,000
Loans and Leases Receivable, Net of Deferred Income	928,000		966,000
Unallocated
Beginning balance	32,000	0
Provision for loan losses	(12,000)	0
Charge-offs	0	0
Recoveries	0	0
Net charge-offs	0
Ending balance	20,000	$ 0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	20,000		32,000
Period-end amount allocated to: Total	20,000		32,000
Loans, ending balance: Loans individually evaluated for impairment	0		0
Loans, ending balance: Loans collectively evaluated for impairment	0		0
Loans and Leases Receivable, Net of Deferred Income	$ 0		$ 0