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Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Subscription
Cost of revenues:
Stock-based compensation	$ 706	$ 167	$ 1,238	$ 323
Professional services and other
Cost of revenues:
Stock-based compensation	277	42	469	80
Sales and marketing
Cost of revenues:
Stock-based compensation	2,482	285	3,953	573
Research and development
Cost of revenues:
Stock-based compensation	1,541	118	2,202	261
General and administrative
Cost of revenues:
Stock-based compensation	$ 1,451	$ 466	$ 2,513	$ 596

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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