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Note 3 - Recently Adopted Accounting Pronouncements (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Financing Receivable, Allowance for Credit Loss [Table Text Block]
  

Trade

  

Due

 
  

and

  

from

 

(In thousands)

 

Other Receivables

  

Affiliate

 

Balance at January 1, 2020

 $70  $20,083 

Cumulative effect adjustment upon adoption of standard

  163    

Current period provision for expected credit losses

  418   54,550 

Other

     (1,937)

Balance at September 30, 2020

 $651  $72,696