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Note 6 - Impairment Losses and Restructuring Exit Cost (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   

Employee related

   

Facilities related

   

Total

 

Balance as of December 31, 2019

  $ 1,326     $ 514     $ 1,840  

Accruals/(reversals)

    1,497       340       1,837  

Payments

    (2,823 )     (743 )     (3,566 )

Balance as of September 30, 2020

  $ -     $ 111     $ 111