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Income Taxes - Deferred Income Tax Balances (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
U.S. foreign tax credit $ 5,058  
U.S. net operating loss carryforwards   859
Stock and long-term compensation plans 1,318 2,410
Foreign NOL & other carryforwards 2,930 2,675
US state income taxes 574 285
US alternative minimum tax 395 456
Deferred revenue 965 255
Reserve for uncertain tax issues (560) (560)
US tax on unremitted foreign earnings (380)  
Accrued expenses and other 67 183
Total gross deferred tax assets 10,367 6,563
Less: Valuation allowance (2,399) (2,284)
Net deferred income tax assets 7,968 4,279
Swiss tax allowances 726 543
Intangible assets 321 141
Deferred tax liabilities $ 1,047 $ 684