Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans (USD $)	Mar. 31, 2014	Dec. 31, 2013
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	$ 6,342,000	$ 6,718,000
Commercial and Industrial [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	919,000	1,501,000
Commercial Vacant Land And Land Development And Residential Construction Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	361,000	785,000
Commercial Real Estate Owner Occupied Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	684,000	389,000
Commercial Real Estate Non Owner Occupied Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	335,000	168,000
Commercial Real Estate Multi Family And Residential Rental Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	492,000	208,000
Commercial [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	2,791,000	3,051,000
Retail Home Equity And Other Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	762,000	788,000
Retail Family Mortgages Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	2,789,000	2,879,000
Retail Loan [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Recorded Principal Balance of Nonaccrual Loans [Line Items]
Non Accrual Loans	$ 3,551,000	$ 3,667,000