Note 15 - Subsequent Events (Details Textual) - Planters First Bank [Member] - Scenario, Forecast [Member] $ in Thousands	Dec. 31, 2018 USD ($)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposit Liabilities	$ 10,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposit Premium	560
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Receivable	20,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Receivable Allowance	117
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total	$ 725