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Note 8 - Incentive Plans (Tables)
 12 Months Ended
Dec. 31, 2020
Notes Tables  
Shares Available Under Long-term Incentive Plan [Table Text Block]
   
December 31,
2020
  
Approved and authorized awards
    
11,907,006
  
Awards granted under plan
    
(9,767,995
)
Awards available for future grant
    
2,139,011
  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   
Stock
Options
    
Exercise
Price
    
Remaining
Term in
Years
    
Intrinsic
Value (in
thousands)
  
Outstanding at August 22, 2020
    
-
      
 
      
 
      
 
  
Awards granted
    
9,705,495
     $
10.00
      
 
      
 
  
Awards forfeited
    
-
      
 
      
 
      
 
  
Exercised
    
-
      
 
      
 
      
 
  
Outstanding at December 31, 2020
    
9,705,495
     $
10.00
      
9.7
     $
57,942
  
                                 
Vested at December 31, 2020
    
7,204,163
     $
10.00
      
9.7
     $
43,009
  
Exercisable at December 31, 2020
    
7,204,163
     $
10.00
      
9.7
     $
43,009