Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	$ 8,819	$ 8,925	$ 9,351	$ 9,772
Allowance for Loan Losses - Individually Evaluated for Impairment	1,999	2,022
Allowance for Loan Losses - Collectively Evaluated for Impairment	6,303	6,234
Loans Receivable - Balance	521,838	501,752
Loans Receivable - Individually Evaluated for Impairment	26,506	27,617
Loans Receivable - Collectively Evaluated for Impairment	495,332	474,135
Commercial:Commercial and Industrial [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	2,308	2,044	2,314	2,505
Allowance for Loan Losses - Individually Evaluated for Impairment	1,153	1,106
Allowance for Loan Losses - Collectively Evaluated for Impairment	1,155	938
Loans Receivable - Balance	117,527	111,339
Loans Receivable - Individually Evaluated for Impairment	9,218	10,304
Loans Receivable - Collectively Evaluated for Impairment	108,309	101,035
Commercial:Construction [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	391	439	230	209
Allowance for Loan Losses - Individually Evaluated for Impairment	76	121
Allowance for Loan Losses - Collectively Evaluated for Impairment	315	318
Loans Receivable - Balance	16,635	15,929
Loans Receivable - Individually Evaluated for Impairment	1,127	1,351
Loans Receivable - Collectively Evaluated for Impairment	15,508	14,578
Commercial:Secured by Commercial Real Estate [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	2,757	2,898	3,873	3,795
Allowance for Loan Losses - Individually Evaluated for Impairment		9
Allowance for Loan Losses - Collectively Evaluated for Impairment	2,757	2,889
Loans Receivable - Balance	191,228	190,602
Loans Receivable - Individually Evaluated for Impairment	12,700	12,288
Loans Receivable - Collectively Evaluated for Impairment	178,528	178,314
Commercial Secured By Residential Real Estate [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	1,465	1,632	1,146	1,230
Allowance for Loan Losses - Individually Evaluated for Impairment	636	639
Allowance for Loan Losses - Collectively Evaluated for Impairment	829	993
Loans Receivable - Balance	47,905	47,672
Loans Receivable - Individually Evaluated for Impairment	2,739	2,833
Loans Receivable - Collectively Evaluated for Impairment	45,166	44,839
State And Political Subdivisions [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	293	186	257	260
Allowance for Loan Losses - Collectively Evaluated for Impairment	293	186
Loans Receivable - Balance	45,069	33,773
Loans Receivable - Collectively Evaluated for Impairment	45,069	33,773
Loans To Depository Institutions [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	3	4	10	15
Allowance for Loan Losses - Collectively Evaluated for Impairment	3	4
Loans Receivable - Balance	750	1,250
Loans Receivable - Collectively Evaluated for Impairment	750	1,250
Indirect Lease Financing [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	106	103	179	168
Allowance for Loan Losses - Individually Evaluated for Impairment	1	3
Allowance for Loan Losses - Collectively Evaluated for Impairment	105	100
Loans Receivable - Balance	8,093	8,364
Loans Receivable - Individually Evaluated for Impairment	27	37
Loans Receivable - Collectively Evaluated for Impairment	8,066	8,327
Retail:1-4 Family Residential Mortgages [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	314	303	300	324
Allowance for Loan Losses - Individually Evaluated for Impairment	63	63
Allowance for Loan Losses - Collectively Evaluated for Impairment	251	240
Loans Receivable - Balance	31,493	29,730
Loans Receivable - Individually Evaluated for Impairment	515	522
Loans Receivable - Collectively Evaluated for Impairment	30,978	29,208
Retail Home Equity Loans And Lines [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	602	583	714	582
Allowance for Loan Losses - Individually Evaluated for Impairment	70	70
Allowance for Loan Losses - Collectively Evaluated for Impairment	532	513
Loans Receivable - Balance	59,594	59,977
Loans Receivable - Individually Evaluated for Impairment	180	266
Loans Receivable - Collectively Evaluated for Impairment	59,414	59,711
Retail:Consumer [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	63	64	29	27
Allowance for Loan Losses - Individually Evaluated for Impairment		11
Allowance for Loan Losses - Collectively Evaluated for Impairment	63	53
Loans Receivable - Balance	3,544	3,116
Loans Receivable - Individually Evaluated for Impairment		16
Loans Receivable - Collectively Evaluated for Impairment	3,544	3,100
Unallocated [Member]
Note 8 - Loans and Allowance for Loan Losses (Details) - Loans Disaggregated by Impairment Method [Line Items]
Allowance for Loan Losses - Balance	$ 517	$ 669