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Note 6 - Other Current Assets
3 Months Ended
Mar. 31, 2020
Notes to Financial Statements  
Other Current Assets [Text Block]
6.
OTHER CURRENT ASSETS
 
Prepayments and other current assets consist of the following at
March 31, 2020
and
December 31, 2019:
 
   
2020
   
2019
 
Income tax receivable
  $
4,659
    $
2,510
 
Prepaid expense
   
3,878
     
3,528
 
Other
   
3,998
     
3,579
 
Total prepayments and other current assets
  $
12,535
    $
9,617