CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Revenue	$ 47,828		$ 42,496
Costs and expenses (1) (2):
Cost of revenue	11,735	[1],[2]	10,134	[1],[2]
Sales and marketing	18,395	[1],[2]	14,478	[1],[2]
General and administrative	9,499	[1],[2]	10,238	[1],[2]
Product development	8,951	[1],[2]	8,021	[1],[2]
Amortization of purchased intangibles	190		224
Total costs and expenses	48,770		43,095
Operating income (loss)	(942)		(599)
Other (expense) income	(83)		34
Loss before benefit from income taxes	(1,025)		(565)
Benefit from income taxes	(231)		(333)
Net loss	(794)		(232)
Basic net (loss) income per common share (in dollars per share)	$ (0.01)		$ 0.00
Diluted net (loss) income per common share (in dollars per share)	$ (0.01)		$ 0.00
Weighted average shares outstanding used in basic net (loss) income per common share calculation (in shares)	54,666,535		55,864,045
Weighted average shares outstanding used in diluted net (loss) income per common share calculation (in shares)	54,666,535		55,864,045
Cost of revenue [Member]
Costs and expenses (1) (2):
Stock compensation	360		420
Depreciation	1,397		1,580
Sales and marketing expense [Member]
Costs and expenses (1) (2):
Stock compensation	814		746
Depreciation	207		22
General and administrative expense [Member]
Costs and expenses (1) (2):
Stock compensation	843		1,015
Depreciation	200		262
Product development expense [Member]
Costs and expenses (1) (2):
Stock compensation	680		870
Depreciation	$ 177		$ 186

[1] Amounts include stock compensation expense as follows: Cost of revenue $360 and $420, Sales and marketing $814 and $746, General and administrative $843 and $1,015, and Product development $680 and $870 as of March 31, 2014 and March 31, 2013, respectively.

[2] Amounts include depreciation expense as follows: Cost of revenue $1,397 and $1,580, Sales and marketing $207 and $22, General and administrative $200 and $262, and Product development $177 and $186 as of March 31, 2014 and March 31, 2013, respectively.