Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Revenue, net
Direct	$ 41,942		$ 40,897
Fulfillment partner	270,052		221,470
Total net revenue	311,994		262,367
Cost of goods sold
Direct	37,149	[1]	37,630	[1]
Fulfillment partner	215,909		177,229
Total cost of goods sold	253,058		214,859
Gross profit	58,936		47,508
Operating expenses:
Sales and marketing	18,705	[1]	14,475	[1]
Technology	18,160	[1]	15,638	[1]
General and administrative	15,088	[1]	14,822	[1]
Restructuring	(432)		98
Total operating expenses	51,521		45,033
Operating income	7,415		2,475
Interest income	34		29
Interest expense	(51)		(208)
Other income, net	345		432
Income before income taxes	7,743		2,728
Provision for income taxes	46		9
Net income	7,697		2,719
Net income per common share-basic:
Net income attributable to common shares-basic (in dollars per share)	$ 0.33		$ 0.12
Weighted average common shares outstanding-basic (in shares)	23,594		23,392
Net income per common share-diluted:
Net income attributable to common shares-diluted (in dollars per share)	$ 0.32		$ 0.12
Weighted average common shares outstanding-diluted (in shares)	24,016		23,414
Comprehensive income	$ 7,697		$ 2,719

[1] Includes stock-based compensation as follows (Note7):