General (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Deferred Revenue
Total	$ 3,677	$ 1,379	$ 7,364	$ 5,556
Acquisition and Integration
Deferred Revenue
Legal, accounting and due diligence fees		76		746
Severance	93	474	1,133	3,635
Strategic alternatives	3,645	605	4,780	605
MediaMind preacquisition liability			720
Proxy contest			446
Integration costs	$ (61)	$ 224	$ 285	$ 570

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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+ Details