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Note 23 - Accumulated Other Comprehensive Income (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Foreign
Currency
Translation Adjustments
 
 
Unrealized
Gains on
Available-for-
Sale
Investments
 
 
Unrealized
Gain/(Loss)
on Interest
Rate Swaps
 
 
Total
 
Balance as of January 1, 2016
   $
6,616
     $
398
    $
(1,426
 )   $
5,588
  
Other comprehensive income before reclassifications
    
(281
 )    
8
      
451
      
178
  
Amounts reclassified from AOCI
    
-
      
-
      
-
      
-
  
Net current-period other comprehensive income
    
(281
 )    
8
      
451
      
178
  
Balance as of December 31, 2016
   $
6,335
     $
406
     $
(975
 )   $
5,766
  
 
 
Foreign
Currency
Translation Adjustments
 
 
Unrealized
Gains on
Available-for-
Sale
Investments
 
 
Unrealized
Gain/(Loss)
on Interest
Rate Swaps
 
 
Total
 
Balance as of January 1, 2015
   $
329
 
   $
46,197
 
   $
(1,404
 )   $
45,122
  
Other comprehensive income before reclassifications
    
(12,493
)
    
(5,946
)
    
(22
 )    
(18,461
 )
Amounts reclassified from AOCI
    
18,780
 (1)
    
(39,853
)(2)
    
-
      
(21,073
 )
Net current-period other comprehensive income
    
6,287
 
    
(45,799
)
   
(22
 )    
(39,534
 )
Balance as of December 31, 2015
   $
6,616
 
   $
398
 
   $
(1,426
 )   $
5,588