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Restructuring Charges (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Restructuring and Related Activities, Description	The Company implemented in the second quarter of 2012 that included a workforce reduction of approximately 64 positions primarily in the Company's Bangalore, India, New Delhi, India, Fremont, California, Shelton, Connecticut, and European locations.
Restructuring Charges	$ 254	$ 0

Description of a specific restructuring plan and related activities including the facts and circumstances leading to the restructuring or decision to exit an activity, and the expected completion date. This concept and related items would be utilized for each plan if multiple exit plans have been implemented in the period.

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- Definition

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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