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Note 6 - Financial Instruments and Fair Value (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

 

 

Description

 

Fair Value

Measurements

Using

Significant

Unobservable

Inputs

June 30, 2019

 

Long-lived assets held for sale

  $ 419