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Note 8 - Intangible Assets, Net (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Amortization of Intangible Assets, Total $ 13,197 $ 12,684
Capitalized Computer Software, Additions 2,713 1,659
Capitalized Computer Software, Impairments 425 $ 1,517
Asset Purchase Agreement [Member]    
Capitalized Computer Software, Additions $ 4,700