Note 14 - Restructuring Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Proceeds from Sale of Property, Plant, and Equipment, Total		$ 0	$ 12,340
Restructuring Charges, Total		$ 3
Sell Manufacturing Facility In New Windsor, New York [Member]
Proceeds from Sale of Property, Plant, and Equipment, Total	$ 12,300
Gain (Loss) on Disposition of Property Plant Equipment, Total	4,800
Sell Manufacturing Facility In New Windsor, New York [Member] \| Facility Closing [Member]
Restructuring Charges, Total	$ 200

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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