Note 2 - Acquisition and Divestiture - Assets and Liabilities Held for Sale (Details) - Dalton Holdings [Member] - Disposal Group, Held-for-sale, Not Discontinued Operations [Member] $ in Thousands	Jun. 01, 2019 USD ($)
Current assets	$ 3,976
Non-current assets	59,832
Current liabilities	1,804
Non-current liabilities	$ 8,676

Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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