Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
U.S. net operating loss carryforwards	$ 299	$ 508
Stock and long-term compensation plans	2,410	2,815
Foreign NOL and other carryforwards	2,675	2,502
US state income taxes	285	286
US alternative minimum tax	456	416
Deferred Revenue	255	269
Accrued expenses and other	183	548
Total gross deferred tax assets	6,563	7,344
Less: Valuation allowance	(2,284)	(2,088)
Net deferred income tax assets	4,279	5,256
Deferred tax liabilities:
Swiss tax allowances	543	269
Intangible assets	141	324
Deferred tax liabilities	$ 684	$ 593