Fair Value Disclosures - Contingent Consideration Liability (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Contingent consideration liability change in amount
Balance as of December 31, 2011
Contingent consideration from new acquisition	842
Balance as of June 30, 2012	$ 842

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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+ Details