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Note 9 - Financial Instruments and Fair Value (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
Description
 
Fair Value
Measurements
Using Significant
Unobservable
Inputs
December 31
,
201
8
 
Long-lived assets held for sale
  $
2,269