Note 6 - Impairment Losses and Restructuring Exit Cost (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2020	Sep. 30, 2020
Goodwill, Impairment Loss		$ 22,708
Facility Closing [Member] \| Aegis Transaction Agreement [Member]
Restructuring and Related Cost, Expected Cost Remaining		$ 111
INDIA
Goodwill, Impairment Loss	$ 15,820
SOUTH AFRICA
Goodwill, Impairment Loss	4,332
AUSTRALIA
Goodwill, Impairment Loss	$ 2,556

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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