CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net revenue:
Online sponsorship and advertising	$ 18,589	$ 16,769
Registry services	1,014	1,129
Merchandise	5,609	5,706
Publishing and other	4,567	3,940
Total net revenue	29,779	27,544
Cost of revenue:
Online sponsorship and advertising	414	565
Merchandise	3,058	3,369
Publishing and other	1,392	1,321
Total cost of revenue	4,864	5,255
Gross profit	24,915	22,289
Operating expenses:
Product and content development	6,592	6,531
Sales and marketing	11,153	10,504
General and administrative	5,634	5,103
Depreciation and amortization	946	1,283
Total operating expenses	24,325	23,421
Income (loss) from operations	590	(1,132)
Loss in equity interest		(104)
Interest and other income (loss), net	(4)	(1)
Income (loss) before income taxes	586	(1,237)
Provision (benefit) for income taxes	234	(532)
Net income (loss)	352	(705)
Plus: net loss attributable to non-controlling interest	45
Net income (loss) attributable to XO Group Inc.	$ 397	$ (705)
Net income (loss) per share attributable to XO Group Inc. common shareholders:
Basic	$ 0.02	$ (0.02)
Diluted	$ 0.02	$ (0.02)
Weighted average number of shares used in calculating net income (loss) per share
Basic	25,519	31,852
Diluted	26,092	31,852