Note 18 - Subsequent Events (Details Textual) $ / shares in Units, $ in Millions	Apr. 20, 2016 USD ($) $ / shares	Apr. 29, 2016	Jun. 19, 2015 USD ($)
Subsequent Event [Member] | 2015 Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount	$ 2.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 1.7
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared | $ / shares	$ 0.025
Number of Retail Branches Consolidated		6
2015 Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount			$ 2.0