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Income Taxes (Reconciliation Of Effective Income Tax Rate Statutory Federal Income Tax Rate) (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Abstract]      
U.S. Federal income tax statutory rate 34.00% 34.00% 34.00%
Foreign income taxes (10.00%) (17.60%) 68.00%
Equity in Polish investment 0.00% 0.00% 0.00%
State income tax (net of federal benefit) 0.20% 0.00% (15.00%)
Meals, entertainment, gifts & giveaways 1.10% 1.00% 38.70%
Statutory to GAAP adjustments, including foreign currency 0.50% (1.20%) (283.90%)
Valuation allowance (17.40%) (16.50%) 532.40%
Unrecognized tax benefit 0.00% 4.30% 0.00%
Stock options 1.60% 3.40% 0.00%
Tax authority audit adjustment 0.00% 3.60% 0.00%
Permanent and other items 1.50% 0.30% (14.60%)
Total provision for income taxes 11.50% 11.30% 359.70%