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Note B - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Notes Tables  
Revenue Percentage by Contract Type [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
 
2013
 
Time-and-materials
     43
%
     47
%
     52
%
Fixed-price
     38
%
     34
%
     29
%
Cost-based
     19
%
     19
%
     19
%
Total
     100
%
     100
%
     100
%
Comprehensive Income (Loss) [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
 
2013
 
Foreign currency translation adjustments
(1)
   $ (5,676
)
   $ (2,017
)
   $ 251  
Realized losses reclassified into earnings
(
2
)
     666       526       —  
Other comprehensive (loss) income, net of tax
(3)
   $ (5,010
)
   $ (1,491
)
   $ 251