Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Troubled Debt Restructurings by Class (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Consumer Real Estate
Number of Contracts	6		10
Pre-Modification Outstanding Principal Balance	$ 4,401		$ 1,826
Post-Modification Outstanding Principal Balance	4,576	[1]	1,736	[1]
Consumer Real Estate [Member] | Closed-end First Liens [Member]
Consumer Real Estate
Number of Contracts	2		5
Pre-Modification Outstanding Principal Balance	453		389
Post-Modification Outstanding Principal Balance	525	[1]	348	[1]
Consumer Real Estate [Member] | Closed-end Junior Liens [Member]
Consumer Real Estate
Number of Contracts	1		1
Pre-Modification Outstanding Principal Balance	262		147
Post-Modification Outstanding Principal Balance	267	[1]	93	[1]
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member]
Consumer Real Estate
Number of Contracts	1		3
Pre-Modification Outstanding Principal Balance	154		890
Post-Modification Outstanding Principal Balance	239	[1]	895	[1]
Commercial Real Estate Loans [Member] | Commercial Real Estate, Non Owner Occupied [Member]
Consumer Real Estate
Number of Contracts	1
Pre-Modification Outstanding Principal Balance	3,500
Post-Modification Outstanding Principal Balance	3,500	[1]
Commercial Non Real Estate [Member] | Commercial and Industrial [Member]
Consumer Real Estate
Number of Contracts	1		1
Pre-Modification Outstanding Principal Balance	32		400
Post-Modification Outstanding Principal Balance	$ 45	[1]	$ 400	[1]

[1] Post-modification outstanding recorded investment considers amounts immediately following the modification. Amounts do not reflect balances at the end of the period.