Loans and Allowance for Loan Losses (Age analysis of past due loans, segregated by class of loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	$ 1,164	$ 978
Accruing Loans 90 or More Days Past Due	636	471
Nonaccrual	1,988	2,132
Total Past Due Loans	3,788	3,581
Current Loans	36,885	37,921
Total Loans	40,673	41,502
Commercial and industrial [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	75	32
Accruing Loans 90 or More Days Past Due	340
Nonaccrual	578	592
Total Past Due Loans	993	624
Current Loans	2,900	3,106
Total Loans	3,893	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	75	32
Accruing Loans 90 or More Days Past Due	340
Nonaccrual	479	491
Total Past Due Loans	894	523
Current Loans	698	963
Total Loans	1,592	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	127	235
Total Loans	127	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	99	101
Total Past Due Loans	99	101
Current Loans	2,075	1,908
Total Loans	2,174	2,009
Commercial real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	937	658
Accruing Loans 90 or More Days Past Due		173
Nonaccrual	1,119	1,095
Total Past Due Loans	2,056	1,926
Current Loans	28,083	28,271
Total Loans	30,139	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	628	476
Total Loans	628	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	131	99
Accruing Loans 90 or More Days Past Due
Nonaccrual	732	677
Total Past Due Loans	863	776
Current Loans	13,552	13,901
Total Loans	14,415	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	2,530	1,391
Total Loans	2,530	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	806	559
Accruing Loans 90 or More Days Past Due		173
Nonaccrual	387	418
Total Past Due Loans	1,193	1,150
Current Loans	11,373	12,503
Total Loans	12,566	13,653
Consumer real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	121	173
Accruing Loans 90 or More Days Past Due	188	152
Nonaccrual	291	445
Total Past Due Loans	600	770
Current Loans	4,206	4,816
Total Loans	4,806	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	121	173
Accruing Loans 90 or More Days Past Due	188	152
Nonaccrual	64	106
Total Past Due Loans	373	431
Current Loans	1,096	1,714
Total Loans	1,469	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	26	47
Total Loans	26	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	3,084	3,055
Total Loans	3,311	3,356
Total real estate [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	1,058	831
Accruing Loans 90 or More Days Past Due	188	325
Nonaccrual	1,410	1,540
Total Past Due Loans	2,656	2,696
Current Loans	32,289	33,087
Total Loans	34,945	35,783
Consumer and other [Member]
Age analysis of past due loans, segregated by class of loans
Loans 30 to 89 Days Past Due	31	115
Accruing Loans 90 or More Days Past Due	108	146
Nonaccrual
Total Past Due Loans	139	261
Current Loans	1,696	1,728
Total Loans	1,835	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	3
Accruing Loans 90 or More Days Past Due
Nonaccrual
Total Past Due Loans	3
Current Loans	35	58
Total Loans	38	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	24	112
Accruing Loans 90 or More Days Past Due	108	146
Nonaccrual
Total Past Due Loans	132	258
Current Loans	1,498	1,503
Total Loans	1,630	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	163	167
Total Loans	$ 167	$ 170