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Note 18 - Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Contractual Obligation, Fiscal Year Maturity [Table Text Block]
Contractual Obligations for the year ending December 31,
  
Contractual Lease Obligations
(1)
    
Debt Obligations
    
Purchase Obligations
(2)
    
Total Obligations
  
                                 
2020
   $
2,248
     $
-
     $
29,153
     $
31,401
  
2021
    
1,824
      
-
      
12,638
      
14,462
  
2022
    
1,745
      
-
      
12,264
      
14,009
  
2023
    
1,708
      
114,400
      
13,584
      
129,692
  
2024
    
1,420
      
-
      
19,074
      
20,494
  
Thereafter
    
5,584
      
-
      
5,250
      
10,834
  
    $
14,529
     $
114,400
     $
91,963
     $
220,892