6. Loans and Allowance For Loan Losses: Schedule of Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Nonaccrual	$ 2,433	$ 2,087
Past Due Loans	2,815	2,952
Current Loans	22,782	23,883
Loans and Leases Receivable, Gross	25,597	26,835
Financing Receivables 30 To 89 Days Past Due
Past Due Loans	176	234
Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	206	631
Commercial And Industrial
Nonaccrual	319	108
Past Due Loans	319	378
Current Loans	2,015	1,771
Loans and Leases Receivable, Gross	2,334	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
Nonaccrual	1,719	1,559
Past Due Loans	1,719	1,842
Current Loans	18,748	19,646
Loans and Leases Receivable, Gross	20,467	21,488
Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	110
Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	173
Consumer Real Estate
Nonaccrual	395	420
Past Due Loans	568	632
Current Loans	1,339	1,600
Loans and Leases Receivable, Gross	1,907	2,232
Consumer Real Estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	20	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
Nonaccrual	0	0
Past Due Loans	18	0
Current Loans	0	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	18	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
Nonaccrual	2,114	1,979
Past Due Loans	2,287	2,474
Current Loans	20,087	21,246
Loans and Leases Receivable, Gross	22,374	23,720
Real estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	20	169
Real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	153	326
Consumer And Other Loans
Nonaccrual	0	0
Past Due Loans	209	100
Current Loans	680	866
Loans and Leases Receivable, Gross	889	966
Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	156	38
Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	53	62
Commercial | Commercial And Industrial
Nonaccrual	0	33
Past Due Loans	0	33
Current Loans	551	857
Loans and Leases Receivable, Gross	551	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
SBA Loans | Commercial And Industrial
Nonaccrual	0
Past Due Loans	0
Current Loans	33
Loans and Leases Receivable, Gross	33
SBA Loans | Commercial And Industrial | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0
SBA Loans | Commercial And Industrial | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0
SBA Loans | Commercial Real Estate Portfolio Segment
Nonaccrual	248	93
Past Due Loans	248	255
Current Loans	217	0
Loans and Leases Receivable, Gross	465	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
Asset Based Loans | Commercial And Industrial
Nonaccrual	319	75
Past Due Loans	319	345
Current Loans	1,431	914
Loans and Leases Receivable, Gross	1,750	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
Nonaccrual	1,279	1,270
Past Due Loans	1,279	1,281
Current Loans	9,130	10,104
Loans and Leases Receivable, Gross	10,409	11,385
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	0	0
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	0	11
Construction | Commercial Real Estate Portfolio Segment
Nonaccrual	0	0
Past Due Loans	0	0
Current Loans	681	542
Loans and Leases Receivable, Gross	681	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
Nonaccrual	192	196
Past Due Loans	192	306
Current Loans	8,720	9,000
Loans and Leases Receivable, Gross	8,912	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
Nonaccrual	337	345
Past Due Loans	492	498
Current Loans	302	301
Loans and Leases Receivable, Gross	794	799
Home Equity Loans | Consumer Real Estate | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	2	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
Nonaccrual	58	75
Past Due Loans	58	134
Current Loans	1,037	1,280
Loans and Leases Receivable, Gross	1,095	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
Nonaccrual	0	0
Past Due Loans	206	99
Current Loans	567	756
Loans and Leases Receivable, Gross	773	855
Student Loans | Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	154	38
Student Loans | Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	52	61
Other | Consumer And Other Loans
Nonaccrual	0	0
Past Due Loans	3	1
Current Loans	113	110
Loans and Leases Receivable, Gross	116	111
Other | Consumer And Other Loans | Financing Receivables 30 To 89 Days Past Due
Past Due Loans	2	0
Other | Consumer And Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Past Due Loans	$ 1	$ 1