Note 10 - Other Borrowings (Details) - Short Term Borrowings - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Short-term Debt [Line Items]
Short-term borrowings	$ 2,361	$ 422
Weighted average interest rate at December 31	2.25%	1.93%
Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 759	$ 185
Line of Credit [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 1,602	$ 237