Note 2 - Business Combinations - Costs Identified and Due Diligence, Merger-related and Merger Integration Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Advertising $ 162 $ 10
Employee benefits 258 23
Furniture, fixtures and equipment 159 9
Information technology 1,168 44
Professional fees 2,471 1,340
Salaries and wages 1,868 346
Other 584 601
Total due diligence and merger-related expenses $ 6,670 $ 2,373