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Note 12 - Supplemental Cash Flow Information
9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
12.
Sup
plemental Cash Flow Information
 
   
Nine Months Ended
 
   
September 30,
 
   
2019
   
2018
 
   
(in thousands)
 
Cash paid for income taxes, net
  $
4,605
    $
5,086