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Note 3 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2020
Goodwill Impairment Analysis, Period for Which Revenue, Operating Margins and Cash Flows Are Projected (Year)   5 years
Goodwill, Impairment Loss   $ 22,708
Impairment of Intangible Assets, Finite-lived   $ 0
INDIA    
Goodwill, Impairment Loss $ 15,820  
SOUTH AFRICA    
Goodwill, Impairment Loss 4,332  
AUSTRALIA    
Goodwill, Impairment Loss $ 2,556