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Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Total stock-based compensation	$ 980	$ 701	$ 2,624	$ 2,411
Cost of goods sold - direct
Total stock-based compensation	74	47	200	134
Sales and marketing
Total stock-based compensation	108	80	260	289
Technology
Total stock-based compensation	218	171	585	534
General and administrative
Total stock-based compensation	$ 580	$ 403	$ 1,579	$ 1,454

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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