Note 4 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Dec. 31, 2018	Dec. 31, 2019
Goodwill Impairment Analysis, Period for Which Revenue, Operating Margins and Cash Flows Are Projected		5 years
Goodwill, Impairment Loss		$ 7,146
Amortization of Intangible Assets, Total	$ 7,031	$ 10,497

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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