Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue, net
Direct	$ 34,215	$ 34,749	$ 109,048	$ 116,353
Fulfillment partner	221,137	204,989	648,207	623,847
Total net revenue	255,352	239,738	757,255	740,200
Cost of goods sold
Direct(1)	30,684	32,472	99,422	105,733
Fulfillment partner	178,126	168,893	520,614	506,240
Total cost of goods sold	208,810	201,365	620,036	611,973
Gross profit	46,542	38,373	137,219	128,227
Operating expenses:
Sales and marketing(1)	14,899	13,822	42,886	42,902
Technology(1)	16,085	17,171	46,845	50,639
General and administrative(1)	13,828	15,321	43,166	50,032
Restructuring	(45)		53
Total operating expenses	44,767	46,314	132,950	143,573
Operating income (loss)	1,775	(7,941)	4,269	(15,346)
Interest income	30	23	86	121
Interest expense	(194)	(662)	(655)	(1,968)
Other income, net	1,213	553	2,364	962
Income (loss) before income taxes	2,824	(8,027)	6,064	(16,231)
Provision (benefit) for income taxes	131	(240)	182	(202)
Net income (loss)	2,693	(7,787)	5,882	(16,029)
Deemed dividend related to redeemable common stock				(12)
Net income (loss) attributable to common shares	2,693	(7,787)	5,882	(16,041)
Net income (loss) per common share-basic:
Net income (loss) attributable to common shares-basic (in dollars per share)	$ 0.11	$ (0.33)	$ 0.25	$ (0.69)
Weighted average common shares outstanding-basic (in shares)	23,447	23,276	23,382	23,253
Net income (loss) per common share-diluted:
Net income (loss) attributable to common shares-diluted (in dollars per share)	$ 0.11	$ (0.33)	$ 0.25	$ (0.69)
Weighted average common shares outstanding-diluted (in shares)	23,754	23,276	23,511	23,253
Comprehensive income (loss)	$ 2,693	$ (7,787)	$ 5,882	$ (16,029)