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Segment Reporting (Details Textuals) (USD $)	3 Months Ended
Segment Reporting (Details Textuals) (USD $)	Mar. 31, 2012	Mar. 31, 2011
Segment Reporting (Textuals) [Abstract]
Restructuring charges	$ 308,000	$ 498,000
Segment, Continuing Operations [Member]
Segment Reporting (Textuals) [Abstract]
Business Acquisition Allocation Of Goodwill Acquired Amongst Segments		1,900,000
U.S. Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring charges	200,000	300,000
Swiss Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring charges		200,000
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring charges	100,000
Swiss Operations Segment [Member]
Segment Reporting (Textuals) [Abstract]
Business Acquisition Allocation Of Goodwill Acquired Amongst Segments		$ 2,500,000

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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