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Note 7 - Debt (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Debt [Table Text Block]
  

As of

 
  

March 31,

  

December 31,

 

(in thousands)

 

2021

  

2020

 

Asset-based revolving credit facility due December 8, 2022

 $191,903  $160,609 

Total debt

 $191,903  $160,609