Note 5 - Investment Securities Available for Sale (Details) - Gross Unrealized Losses and Fair Value of the Investments (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Note 5 - Investment Securities Available for Sale (Details) - Gross Unrealized Losses and Fair Value of the Investments [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months Fair Value	$ 44,855	$ 8,013
Securities in Unrealized Loss Position Less Than 12 Months Unrealized Losses	623	38
Securities in Unrealized Loss Position 12 Months or More Fair Value	945	3,952
Securities in Unrealized Loss Position 12 Months or More Unrealized Losses	54	48
Securities in Unrealized Loss Position Fair Value	45,800	11,965
Securities in Unrealized Loss Position Unrealized Losses	677	86
US States and Political Subdivisions Debt Securities [Member]
Note 5 - Investment Securities Available for Sale (Details) - Gross Unrealized Losses and Fair Value of the Investments [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months Fair Value	17,851	4,033
Securities in Unrealized Loss Position Less Than 12 Months Unrealized Losses	424	18
Securities in Unrealized Loss Position 12 Months or More Fair Value	945
Securities in Unrealized Loss Position 12 Months or More Unrealized Losses	54
Securities in Unrealized Loss Position Fair Value	18,796	4,033
Securities in Unrealized Loss Position Unrealized Losses	478	18
Collateralized Mortgage Backed Securities [Member]
Note 5 - Investment Securities Available for Sale (Details) - Gross Unrealized Losses and Fair Value of the Investments [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months Fair Value	27,004
Securities in Unrealized Loss Position Less Than 12 Months Unrealized Losses	199
Securities in Unrealized Loss Position Fair Value	27,004
Securities in Unrealized Loss Position Unrealized Losses	199
Corporate Debt Securities [Member]
Note 5 - Investment Securities Available for Sale (Details) - Gross Unrealized Losses and Fair Value of the Investments [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months Fair Value		3,980
Securities in Unrealized Loss Position Less Than 12 Months Unrealized Losses		20
Securities in Unrealized Loss Position 12 Months or More Fair Value		3,952
Securities in Unrealized Loss Position 12 Months or More Unrealized Losses		48
Securities in Unrealized Loss Position Fair Value		7,932
Securities in Unrealized Loss Position Unrealized Losses		$ 68