6. Loans and Allowance For Loan Losses: Schedule of Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Past Due Loans	$ 3,051	$ 2,952
Nonaccrual	2,421	2,087
Current Loans	22,595	23,883
Loans and Leases Receivable, Gross	25,646	26,835
Financing Receivables 30 To 89 Days Past Due
Past Due Loans	420	234
Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	210	631
Commercial And Industrial
Past Due Loans	352	378
Nonaccrual	352	108
Current Loans	1,716	1,771
Loans and Leases Receivable, Gross	2,068	2,149
Commercial And Industrial | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	27
Commercial And Industrial | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	243
Commercial Real Estate Portfolio Segment
Past Due Loans	2,126	1,842
Nonaccrual	1,728	1,559
Current Loans	18,485	19,646
Loans and Leases Receivable, Gross	20,611	21,488
Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	398	110
Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	173
Consumer Real Estate
Past Due Loans	494	632
Nonaccrual	341	420
Current Loans	1,545	1,600
Loans and Leases Receivable, Gross	2,039	2,232
Consumer Real Estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	59
Consumer Real Estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	153	153
Consumer Real Estate | Home Equity Line of Credit
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	18	19
Loans and Leases Receivable, Gross	18	19
Consumer Real Estate | Home Equity Line of Credit | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Consumer Real Estate | Home Equity Line of Credit | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	0
Real estate
Past Due Loans	2,620	2,474
Nonaccrual	2,069	1,979
Current Loans	20,030	21,246
Loans and Leases Receivable, Gross	22,650	23,720
Real estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	398	169
Real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	153	326
Consumer And Other Loans
Past Due Loans	79	100
Nonaccrual	0	0
Current Loans	849	866
Loans and Leases Receivable, Gross	928	966
Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	22	38
Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	57	62
Commercial | Commercial And Industrial
Past Due Loans	33	33
Nonaccrual	33	33
Current Loans	850	857
Loans and Leases Receivable, Gross	883	890
Commercial | Commercial And Industrial | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Commercial | Commercial And Industrial | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	0
Asset Based Loans | Commercial And Industrial
Past Due Loans	319	345
Nonaccrual	319	75
Current Loans	866	914
Loans and Leases Receivable, Gross	1,185	1,259
Asset Based Loans | Commercial And Industrial | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	27
Asset Based Loans | Commercial And Industrial | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	243
Commercial Mortgages | Commercial Real Estate Portfolio Segment
Past Due Loans	1,678	1,281
Nonaccrual	1,280	1,270
Current Loans	9,334	10,104
Loans and Leases Receivable, Gross	11,012	11,385
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	398	0
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	11
SBA Loans | Commercial Real Estate Portfolio Segment
Past Due Loans	254	255
Nonaccrual	254	93
Current Loans	0	0
Loans and Leases Receivable, Gross	254	255
SBA Loans | Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	162
Construction | Commercial Real Estate Portfolio Segment
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	635	542
Loans and Leases Receivable, Gross	635	542
Construction | Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Construction | Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	0
Religious Organizations | Commercial Real Estate Portfolio Segment
Past Due Loans	194	306
Nonaccrual	194	196
Current Loans	8,516	9,000
Loans and Leases Receivable, Gross	8,710	9,306
Religious Organizations | Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	110
Religious Organizations | Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	0
Home Equity Loans | Consumer Real Estate
Past Due Loans	494	498
Nonaccrual	341	345
Current Loans	316	301
Loans and Leases Receivable, Gross	810	799
Home Equity Loans | Consumer Real Estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Home Equity Loans | Consumer Real Estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	153	153
Family Residential Mortgage | Consumer Real Estate
Past Due Loans	0	134
Nonaccrual	0	75
Current Loans	1,211	1,280
Loans and Leases Receivable, Gross	1,211	1,414
Family Residential Mortgage | Consumer Real Estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	59
Family Residential Mortgage | Consumer Real Estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	0
Student Loans | Consumer And Other Loans
Past Due Loans	77	99
Nonaccrual	0	0
Current Loans	745	756
Loans and Leases Receivable, Gross	822	855
Student Loans | Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	22	38
Student Loans | Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	55	61
Other | Consumer And Other Loans
Past Due Loans	2	1
Nonaccrual		0
Current Loans	104	110
Loans and Leases Receivable, Gross	106	111
Other | Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Other | Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	$ 2	$ 1