Note 3 - Loans and Allowance for Loan Losses (Details) - Summary of Interest Foregone on Non-Accrual Loans and Loans Classified as TDR - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Interest Foregone on Non-Accrual Loans and Loans Classified as TDR [Abstract]
Interest income that would have been recognized had the loans performed in accordance with their original terms	$ 2,387	$ 2,919	$ 4,656
Less: Interest income included in the results of operations	702	796	1,213
Total foregone interest	$ 1,685	$ 2,123	$ 3,443

The gross interest income that would have been recorded in the period on troubled debt restructurings and nonaccrual loans, if the loans had been current in accordance with their original terms and had been outstanding throughout the period or since origination, if held for part of the period.

No definition available.

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