Note 4 - Acquisition - Preliminary Allocation of the Purchase Price to the Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Aug. 14, 2019	Jun. 30, 2019
Current assets		$ 1,029
Intangible assets		7,540
Goodwill	$ 74,711	12,121	$ 62,590
Total assets acquired		20,690
Current liabilities		190
Net assets acquired		$ 20,500

Amount of assets acquired at the acquisition date.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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