Note 20 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Assets Measured at Fair Value On a Non-recurring Basis - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 20 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Other real estate owned	$ (147)	$ 271	$ (652)
Fair Value, Measurements, Nonrecurring [Member]
Note 20 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Impaired loans	2,058	6,449
Impaired loans	(208)	(405)
Other real estate owned	3,782	5,032
Other real estate owned	(2)	(42)
Total	5,840	11,481
Total	(210)	(447)
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 20 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Impaired loans	2,058	6,449
Other real estate owned	3,782	5,032
Total	$ 5,840	$ 11,481