XML 55 R38.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note F - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%      
Income Taxes Paid $ 13,500,000 $ 19,400,000 $ 13,200,000  
Deferred Tax Assets, Valuation Allowance 277,000 336,000 162,000  
Unrecognized Tax Benefits 567,000 576,000 $ 516,000 $ 421,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 447,000      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit 56,000      
Tax Credit Carryforward, Amount 533,000 545,000    
Income Tax Examination, Penalties and Interest Accrued 116,000 $ 99,000    
Undistributed Earnings of Foreign Subsidiaries 19,800,000      
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries $ 1,400,000