Note 14 - Income Taxes - Uncertain Tax Positions (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Balance	$ 372
Settlement/decreases related to tax positions taken during prior years	(372)
Increases related to tax positions taken during prior years
Increases related to tax positions taken during the current year
Balance

Amount of unrecognized tax benefits.

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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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