6. Loans and Allowance For Loan Losses: Schedule of Age Analysis of Allowance for Loan Losses (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Beginning balance	$ 384,000	$ 680,000	$ 418,000	$ 735,000
Provision (credit) for loan losses	0	(40,000)	(5,000)	(100,000)
Charge-offs	0	(50,000)	(66,000)	(62,000)
Recoveries	0	6,000	8,000	23,000
Net (charge-offs) recoveries	0	(44,000)	(58,000)	(39,000)
Ending balance	355,000	596,000	355,000	596,000
Period-end amount allocated to: Loans individually evaluated for impairment	71,000		71,000		$ 2,184,000
Period-end amount allocated to: Loans collectively evaluated for impairment	284,000		284,000		28,538,000
Period-end amount allocated to: Total	(354,563)		(354,563)		(418,013)
Loans, ending balance: Loans individually evaluated for impairment	91,000		91,000		2,515,000
Loans, ending balance: Loans collectively evaluated for impairment	327,000		327,000		31,004,000
Loans, ending balance: Total	30,713,493		30,713,493		33,519,042
Commercial And Industrial
Beginning balance	120,000	344,000	151,000	403,000
Provision (credit) for loan losses	0	24,000	(5,000)	(36,000)
Charge-offs	0	(48,000)	0	(48,000)
Recoveries	0	0	2,000	1,000
Net (charge-offs) recoveries	0	(48,000)	2,000	(47,000)
Ending balance	87,000	320,000	87,000	320,000
Period-end amount allocated to: Loans individually evaluated for impairment	0		0		437,000
Period-end amount allocated to: Loans collectively evaluated for impairment	173,000		173,000		2,468,000
Period-end amount allocated to: Total	(173,000)		(173,000)		(2,905,000)
Loans, ending balance: Loans individually evaluated for impairment	0		0		439,000
Loans, ending balance: Loans collectively evaluated for impairment	151,000		151,000		2,623,000
Loans, ending balance: Total	2,905,000		2,905,000		3,062,000
Commercial Real Estate Portfolio Segment
Beginning balance	241,000	300,000	250,000	300,000
Provision (credit) for loan losses	0	(64,000)	0	(64,000)
Charge-offs	0	0	(41,000)	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	(41,000)	0
Ending balance	245,000	236,000	245,000	236,000
Period-end amount allocated to: Loans individually evaluated for impairment	71,000		71,000		1,747,000
Period-end amount allocated to: Loans collectively evaluated for impairment	99,000		99,000		22,319,000
Period-end amount allocated to: Total	(170,000)		(170,000)		(24,066,000)
Loans, ending balance: Loans individually evaluated for impairment	91,000		91,000		2,076,000
Loans, ending balance: Loans collectively evaluated for impairment	159,000		159,000		24,338,000
Loans, ending balance: Total	24,066,000		24,066,000		26,414,000
Consumer Real Estate
Beginning balance	14,000	21,000	8,000	20,000
Provision (credit) for loan losses	0	0	0	0
Charge-offs	0	0	(22,000)	0
Recoveries	0	2,000	2,000	3,000
Net (charge-offs) recoveries	0	2,000	0	3,000
Ending balance	13,000	23,000	13,000	23,000
Period-end amount allocated to: Loans individually evaluated for impairment	0		0		0
Period-end amount allocated to: Loans collectively evaluated for impairment	2,000		2,000		2,709,000
Period-end amount allocated to: Total	(2,000)		(2,000)		(2,709,000)
Loans, ending balance: Loans individually evaluated for impairment	0		0		0
Loans, ending balance: Loans collectively evaluated for impairment	8,000		8,000		2,841,000
Loans, ending balance: Total	2,709,000		2,709,000		2,841,000
Consumer And Other Loans
Beginning balance	9,000	15,000	9,000	12,000
Provision (credit) for loan losses	0	0	0	0
Charge-offs	0	(2,000)	(3,000)	(14,000)
Recoveries	0	4,000	4,000	19,000
Net (charge-offs) recoveries	0	2,000	1,000	5,000
Ending balance	10,000	$ 17,000	10,000	$ 17,000
Period-end amount allocated to: Loans individually evaluated for impairment	0		0		0
Period-end amount allocated to: Loans collectively evaluated for impairment	10,000		10,000		1,042,000
Period-end amount allocated to: Total	(10,000)		(10,000)		(1,042,000)
Loans, ending balance: Loans individually evaluated for impairment	0		0		0
Loans, ending balance: Loans collectively evaluated for impairment	9,000		9,000		1,202,000
Loans, ending balance: Total	$ 1,042,000		$ 1,042,000		$ 1,202,000