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Note 8 - Derivative Instruments (Tables)
 6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
   
Local Currency Notional Amount
    
U.S. Dollar Notional Amount
  
Philippine Peso
    
2,764,000,014
      
52,227,335
  
     
 
     $
52,227,335
  
Schedule of Derivative Instruments [Table Text Block]
Derivatives not designated under ASC 815
  
For the Three Months Ended June 30, 2019
    
For the Three Months Ended June 30, 2018
    
For the Six Months Ended June 30, 2019
    
For the Six Months Ended June 30, 2018
  
Foreign currency forward contracts
   $
342
     $
-
     $
315
     $
-
  
Interest rate swap
   $
(405
 )   $
(14
 )   $
(630
 )   $
(14
 )