Allowance for Loan Losses (Age analysis of past due loans, segregated by class of loans) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	$ 523	$ 978
Accruing Loans 90 or More Days Past Due	314	471
Nonaccrual	2,033	2,132
Total Past Due Loans	2,870	3,581
Current Loans	39,955	37,921
Total Loans	42,825	41,502
Commercial and industrial [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	23	32
Accruing Loans 90 or More Days Past Due
Nonaccrual	637	592
Total Past Due Loans	660	624
Current Loans	2,986	3,106
Total Loans	3,646	3,730
Commercial and industrial [Member] | Commercial [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	23	32
Accruing Loans 90 or More Days Past Due
Nonaccrual	482	491
Total Past Due Loans	505	523
Current Loans	1,162	963
Total Loans	1,667	1,486
Commercial and industrial [Member] | SBA loans [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans
Current Loans	129	235
Total Loans	129	235
Commercial and industrial [Member] | Asset-based [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual	155	101
Total Past Due Loans	155	101
Current Loans	1,695	1,908
Total Loans	1,850	2,009
Commercial real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	291	658
Accruing Loans 90 or More Days Past Due		173
Nonaccrual	1,058	1,095
Total Past Due Loans	1,379	1,926
Current Loans	31,012	28,271
Total Loans	32,361	30,197
Commercial real estate [Member] | SBA loans [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans
Current Loans	1,217	476
Total Loans	1,217	476
Commercial real estate [Member] | Commercial mortgages [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	0	99
Accruing Loans 90 or More Days Past Due
Nonaccrual	662	677
Total Past Due Loans	662	776
Current Loans	15,112	13,901
Total Loans	15,774	14,677
Commercial real estate [Member] | Construction [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans
Current Loans	2,068	1,391
Total Loans	2,068	1,391
Commercial real estate [Member] | Religious organizations [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	291	559
Accruing Loans 90 or More Days Past Due		173
Nonaccrual	396	418
Total Past Due Loans	687	1,150
Current Loans	12,615	12,503
Total Loans	13,302	13,653
Consumer real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	105	173
Accruing Loans 90 or More Days Past Due	189	152
Nonaccrual	338	445
Total Past Due Loans	632	770
Current Loans	4,319	4,816
Total Loans	4,951	5,586
Consumer real estate [Member] | Home equity loans [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	105	173
Accruing Loans 90 or More Days Past Due	189	152
Nonaccrual	111	106
Total Past Due Loans	405	431
Current Loans	1,472	1,714
Total Loans	1,877	2,145
Consumer real estate [Member] | Home equity lines of credit [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual		38
Total Past Due Loans		38
Current Loans	45	47
Total Loans	45	85
Consumer real estate [Member] | 1-4 family residential mortgages [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual	227	301
Total Past Due Loans	227	301
Current Loans	2,802	3,055
Total Loans	3,029	3,356
Total real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	396	831
Accruing Loans 90 or More Days Past Due	189	325
Nonaccrual	1,396	1,540
Total Past Due Loans	1,981	2,696
Current Loans	35,331	33,087
Total Loans	37,312	35,783
Consumer and other [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	104	115
Accruing Loans 90 or More Days Past Due	125	146
Nonaccrual
Total Past Due Loans	229	261
Current Loans	1,638	1,728
Total Loans	1,867	1,989
Consumer and other [Member] | Consumer installment [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans
Current Loans	46	58
Total Loans	46	58
Consumer and other [Member] | Student loans [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	100	112
Accruing Loans 90 or More Days Past Due	125	146
Nonaccrual
Total Past Due Loans	225	258
Current Loans	1,433	1,503
Total Loans	1,658	1,761
Consumer and other [Member] | Other [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	4	3
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans	4	3
Current Loans	159	167
Total Loans	$ 163	$ 170