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Note 12 - Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
  

Fair Value as of September 30, 2020

 

(in thousands)

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Assets (Liabilities):

                

Interest rate swap agreements

 $-  $(569) $-  $(569)
  

Fair Value as of December 31, 2019

 
  

Level 1

  

Level 2

  

Level 3

  

Total

 

Assets (Liabilities):

                

Interest rate swap agreements

 $-  $(603) $-  $(603)