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Note 11 - Accumulated Other Comprehensive (Loss) Income (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Balance as of December 31, 2019

 $337 

Foreign currency translation adjustment

  (1,930)

Balance as of March 31, 2020

 $(1,593)

Foreign currency translation adjustment

  925 

Balance as of June 30, 2020

 $(668)