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Note 3 - Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(in thousands)

               

Hedge derivatives

 

March 31, 2022

   

December 31, 2021

 

Net Fair Value of Derivative

  $ (415 )   $ (1,808 )

Quoted Prices in Active Markets (Level 1)

    -       -  

Significant Other Observable Inputs (Level 2)

    (415 )     (1,808 )

Significant Unobservable Inputs (Level 3)

    -       -