Annual report pursuant to Section 13 and 15(d)

Note 16 - Income Taxes - Summary of the Changes in the Amount of Unrecognized Tax Benefits (Details)

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Note 16 - Income Taxes - Summary of the Changes in the Amount of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Balance, beginning of year $ 2,133 $ 1,779 $ 1,375
Increases related to prior year tax positions 998 799 365
Decreases related to prior year tax positions 0 0 0
Increases related to current year tax positions 0 0 0
Settlements 0 0 0
Enacted tax rate change 0 0 315
Lapse of statute (448) (445) (276)
Balance, end of year $ 2,683 $ 2,133 $ 1,779