Quarterly Financial Information (Details) (USD $)	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Net revenue	$ 74,338,000		$ 22,363,000		$ 22,004,000		$ 19,557,000		$ 66,339,000	[1]	$ 17,260,000	[1]	$ 17,804,000	[1]	$ 17,510,000	[1]	$ 138,262,000	$ 118,913,000	$ 99,057,000
Gross margin	14,838,000		4,250,000		4,409,000		3,620,000		14,147,000	[1]	2,256,000	[1]	2,096,000	[1]	2,567,000	[1]	27,117,000	21,065,000	15,455,000
Net (loss) income from continuing operations	5,066,000	[1]	(1,435,000)	[1]	(1,490,000)	[1]	(2,308,000)	[1]	4,676,000	[1]	(1,999,000)	[1]	1,291,000	[1]	(2,163,000)	[1]	(167,000)	1,805,000	(3,447,000)
Net (loss) income	5,069,000		(1,436,000)		(1,531,000)		(2,336,000)		6,056,000	[1],[2]	8,363,000	[1],[2]	1,609,000	[1],[2]	(2,121,000)	[1],[2]	(234,000)	13,907,000	(1,515,000)
Net (loss) income per share from continuing operations:
Basic	$ 0.76	[1]	$ (0.22)	[1]	$ (0.22)	[1]	$ (0.35)	[1]	$ 0.71		$ (0.31)		$ 0.20		$ (0.34)		$ (0.03)	$ 0.28	$ (0.55)
Diluted	$ 0.76	[1]	$ (0.22)	[1]	$ (0.22)	[1]	$ (0.35)	[1]	$ 0.71		$ (0.31)		$ 0.20		$ (0.34)		$ (0.03)	$ 0.28	$ (0.55)
Net (loss) income per share:
Basic	$ 0.76	[1]	$ (0.22)	[1]	$ (0.23)	[1]	$ (0.35)	[1]	$ 0.92		$ 1.29		$ 0.25		$ (0.33)		$ (0.04)	$ 2.15	$ (0.24)
Diluted	$ 0.76	[1]	$ (0.22)	[1]	$ (0.23)	[1]	$ (0.35)	[1]	$ 0.92		$ 1.27		$ 0.25		$ (0.33)		$ (0.04)	$ 2.12	$ (0.24)
Gain on sale of Series C-1 preferred stock investment in CollabNet, Inc													4,000,000
Cost of revenue																	111,145,000	97,848,000	83,602,000
Gross margin %																	19.60%	17.70%	15.60%
Website
Segment Reporting Information [Line Items]
Net revenue	62,684,000		16,990,000		18,254,000		17,981,000		62,820,000		15,872,000		16,518,000		16,728,000		115,909,000	111,938,000	93,691,000
Gross margin	10,597,000		2,613,000		3,099,000		3,142,000		13,203,000		1,885,000		1,738,000		2,354,000		19,451,000	19,180,000	14,123,000
Net (loss) income per share:
Cost of revenue	52,087,000		14,377,000		15,155,000		14,839,000		49,617,000		13,987,000		14,780,000		14,374,000		96,458,000	92,758,000	79,568,000
Gross margin %	16.90%		15.40%		17.00%		17.50%		21.00%		11.90%		10.50%		14.10%		16.80%	17.10%	15.10%
Wholesale
Segment Reporting Information [Line Items]
Net revenue	11,654,000		5,373,000		3,750,000		1,576,000		3,519,000		1,388,000		1,286,000		782,000		22,353,000	6,975,000	5,366,000
Gross margin	4,241,000		1,637,000		1,310,000		478,000		943,000		371,000		358,000		213,000		7,666,000	1,885,000	1,332,000
Net (loss) income per share:
Cost of revenue	$ 7,413,000		$ 3,736,000		$ 2,440,000		$ 1,098,000		$ 2,576,000		$ 1,017,000		$ 928,000		$ 569,000		$ 14,687,000	$ 5,090,000	$ 4,034,000
Gross margin %	36.40%		30.50%		34.90%		30.30%		26.80%		26.70%		27.80%		27.20%		34.30%	27.00%	24.80%

[1] Certain amounts shown above that were previously reported have been adjusted for corrections of intra-period tax allocations.

[2] Included in net income for the three months ended June 30, 2012, is a gain of $4.0 million from the sale of the Company's Series C-1 preferred stock investment in CollabNet, Inc.