Credit Quality Assessment (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Allowance for credit losses, Beginning balance	$ 3,076	$ 3,868	$ 3,433	$ 3,523	$ 3,523
Allowance for credit losses, Charge-offs	(731)	(410)	(1,480)	(552)	(1,616)
Allowance for credit losses, Recoveries	80	0	130	305	362
Allowance for credit losses, Provision for credit losses	308	558	650	740	1,164
Allowance for credit losses, Ending balance	2,733	4,016	2,733	4,016	3,433
Allowance for credit losses, Ending balance, individually evaluated for impairment	433	1,145	433	1,145	1,273
Allowance for credit losses, Ending balance, collectively evaluated for impairment	2,300	2,871	2,300	2,871	2,160
Loans, Ending balance	298,814	271,209	298,814	271,209	276,531
Loans, Ending balance, individually evaluated for impairment	6,027	3,840	6,027	3,840	8,933
Loans, Ending balance, collectively evaluated for impairment	292,787	267,369	292,787	267,369	267,598
Construction and Land [Member]
Allowance for credit losses, Beginning balance	99	160	174	143	143
Allowance for credit losses, Charge-offs	0	0	0	0	0
Allowance for credit losses, Recoveries	0	0	0	0	0
Allowance for credit losses, Provision for credit losses	93	9	18	26	31
Allowance for credit losses, Ending balance	192	169	192	169	174
Allowance for credit losses, Ending balance, individually evaluated for impairment	103	0	103	0	0
Allowance for credit losses, Ending balance, collectively evaluated for impairment	89	169	89	169	174
Loans, Ending balance	35,889	36,809	35,889	36,809	39,268
Loans, Ending balance, individually evaluated for impairment	432	0	432	0	0
Loans, Ending balance, collectively evaluated for impairment	35,457	36,809	35,457	36,809	39,268
Residential First Lien [Member]
Allowance for credit losses, Beginning balance	65	17	111	16	16
Allowance for credit losses, Charge-offs	0	0	(23)	0	0
Allowance for credit losses, Recoveries	0	0	0	0	0
Allowance for credit losses, Provision for credit losses	40	0	17	1	95
Allowance for credit losses, Ending balance	105	17	105	17	111
Allowance for credit losses, Ending balance, individually evaluated for impairment	73	0	73	0	68
Allowance for credit losses, Ending balance, collectively evaluated for impairment	32	17	32	17	43
Loans, Ending balance	23,074	23,365	23,074	23,365	22,087
Loans, Ending balance, individually evaluated for impairment	471	475	471	475	611
Loans, Ending balance, collectively evaluated for impairment	22,603	22,890	22,603	22,890	21,476
Residential Junior Lien [Member]
Allowance for credit losses, Beginning balance	42	20	64	20	20
Allowance for credit losses, Charge-offs	0	0	(44)	0	0
Allowance for credit losses, Recoveries	0	0	0	0	0
Allowance for credit losses, Provision for credit losses	(20)	0	2	0	44
Allowance for credit losses, Ending balance	22	20	22	20	64
Allowance for credit losses, Ending balance, individually evaluated for impairment	0	0	0	0	44
Allowance for credit losses, Ending balance, collectively evaluated for impairment	22	20	22	20	20
Loans, Ending balance	8,162	10,089	8,162	10,089	9,242
Loans, Ending balance, individually evaluated for impairment	0	0	0	0	44
Loans, Ending balance, collectively evaluated for impairment	8,162	10,089	8,162	10,089	9,198
Commercial Owner Occupied [Member]
Allowance for credit losses, Beginning balance	553	1,146	611	892	892
Allowance for credit losses, Charge-offs	0	0	0	0	(1,033)
Allowance for credit losses, Recoveries	0	0	0	0	0
Allowance for credit losses, Provision for credit losses	98	(25)	40	229	752
Allowance for credit losses, Ending balance	651	1,121	651	1,121	611
Allowance for credit losses, Ending balance, individually evaluated for impairment	0	1,033	0	1,033	0
Allowance for credit losses, Ending balance, collectively evaluated for impairment	651	88	651	88	611
Loans, Ending balance	58,793	46,513	58,793	46,513	46,588
Loans, Ending balance, individually evaluated for impairment	0	2,122	0	2,122	1,988
Loans, Ending balance, collectively evaluated for impairment	58,793	44,391	58,793	44,391	44,600
Commercial Non Owner Occupied [Member]
Allowance for credit losses, Beginning balance	532	123	197	124	124
Allowance for credit losses, Charge-offs	(268)	0	(268)	0	0
Allowance for credit losses, Recoveries	63	0	63	0	0
Allowance for credit losses, Provision for credit losses	22	13	357	12	73
Allowance for credit losses, Ending balance	349	136	349	136	197
Allowance for credit losses, Ending balance, individually evaluated for impairment	0	0	0	0	0
Allowance for credit losses, Ending balance, collectively evaluated for impairment	349	136	349	136	197
Loans, Ending balance	86,116	70,816	86,116	70,816	76,880
Loans, Ending balance, individually evaluated for impairment	3,146	0	3,146	0	2,783
Loans, Ending balance, collectively evaluated for impairment	82,970	70,816	82,970	70,816	74,097
Commercial Loan and Leases [Member]
Allowance for credit losses, Beginning balance	1,744	2,366	2,233	2,294	2,294
Allowance for credit losses, Charge-offs	(463)	(394)	(1,130)	(531)	(562)
Allowance for credit losses, Recoveries	16	0	65	304	361
Allowance for credit losses, Provision for credit losses	86	538	215	443	140
Allowance for credit losses, Ending balance	1,383	2,510	1,383	2,510	2,233
Allowance for credit losses, Ending balance, individually evaluated for impairment	257	112	257	112	1,161
Allowance for credit losses, Ending balance, collectively evaluated for impairment	1,126	2,398	1,126	2,398	1,072
Loans, Ending balance	85,409	82,405	85,409	82,405	81,243
Loans, Ending balance, individually evaluated for impairment	1,978	1,243	1,978	1,243	3,498
Loans, Ending balance, collectively evaluated for impairment	83,431	81,162	83,431	81,162	77,745
Consumer Loan [Member]
Allowance for credit losses, Beginning balance	41	36	43	34	34
Allowance for credit losses, Charge-offs	0	(16)	(15)	(21)	(21)
Allowance for credit losses, Recoveries	1	0	2	1	1
Allowance for credit losses, Provision for credit losses	(11)	23	1	29	29
Allowance for credit losses, Ending balance	31	43	31	43	43
Allowance for credit losses, Ending balance, individually evaluated for impairment	0	0	0	0	0
Allowance for credit losses, Ending balance, collectively evaluated for impairment	31	43	31	43	43
Loans, Ending balance	1,371	1,212	1,371	1,212	1,223
Loans, Ending balance, individually evaluated for impairment	0	0	0	0	9
Loans, Ending balance, collectively evaluated for impairment	$ 1,371	$ 1,212	$ 1,371	$ 1,212	$ 1,214