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Consolidated Statements of Income and Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Total stock-based compensation	$ 816	$ 830	$ 1,568	$ 1,643
Cost of goods sold - direct
Total stock-based compensation	32	66	80	126
Sales and marketing
Total stock-based compensation	54	51	79	152
Technology
Total stock-based compensation	78	191	202	367
General and administrative
Total stock-based compensation	$ 652	$ 522	$ 1,207	$ 998

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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