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Note 10 - Income Taxes - Income Tax Provision (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Federal $ 1,772 $ 3,117 $ 3,120
State 439 551 651
Current income taxes 2,211 3,668 3,771
Federal 1,917 (1,091) 546
State (36) 72 30
Deferred income taxes 1,881 (1,019) 576
Total income tax provision $ 4,092 $ 2,649 $ 4,347