CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Revenue	$ 59,770		$ 47,828
Costs and expenses (1) (2)
Cost of revenue (3)	16,254	[1],[2],[3]	11,735	[1],[2],[3]
Sales and marketing	24,294	[1],[3]	18,395	[1],[3]
General and administrative	10,164	[1],[3]	9,499	[1],[3]
Product development	9,800	[1],[3]	8,951	[1],[3]
Amortization of purchased intangibles	1,313		190
Total costs and expenses	61,825		48,770
Loss from operations	(2,055)		(942)
Other expense	(231)		(83)
Loss before benefit from income taxes	(2,286)		(1,025)
Benefit from income taxes	(228)		(231)
Net loss	(2,058)		(794)
Basic net (loss) income per common share (in dollars per share)	$ (0.04)		$ (0.01)
Diluted net (loss) income per common share (in dollars per share)	$ (0.04)		$ (0.01)
Weighted average shares outstanding used in basic net (loss) income per common share calculation (in shares)	56,291,383		54,666,535
Weighted average shares outstanding used in diluted net (loss) income per common share calculation (in shares)	56,291,383		54,666,535
Stock compensation expense	2,794		2,697
Cost of revenue [Member]
Costs and expenses (1) (2)
Amortization of purchased intangibles	839		868
Stock compensation expense	328		360
Depreciation expense	1,903		1,397
Sales and marketing expense [Member]
Costs and expenses (1) (2)
Stock compensation expense	595		814
Depreciation expense	250		207
Product development expense [Member]
Costs and expenses (1) (2)
Stock compensation expense	939		680
Depreciation expense	188		177
General and administrative expense [Member]
Costs and expenses (1) (2)
Stock compensation expense	932		843
Depreciation expense	$ 237		$ 200

[1] Amounts include depreciation expense as follows: Cost of revenue $1,732 and $1,445 for the three months ended September 30, 2014 and 2013, respectively and $4,776 and $4,565 for the nine months ended September 30, 2014 and 2013, respectively, Sales and marketing $195 and $23 for the three months ended September 30, 2014 and 2013, respectively and $603 and $68 for the nine months ended September 30, 2014 and 2013, respectively, Product development $180 and $166 for the three months ended September 30, 2014 and 2013, respectively and $529 and $526 for the nine months ended September 30, 2014 and 2013, respectively, and General and administrative $237 and $368 for the three months ended September 30, 2014 and 2013, respectively and $651 and $891 for the nine months ended September 30, 2014 and 2013, respectively.

[2] 3) Amounts include amortization expense as follows: Cost of revenue $1,732 and $1,445 for the three months ended March 31, 2015 and 2014, respectively.

[3] Amounts include stock compensation expense as follows: Cost of revenue $365 and $635 for the three months ended September 30, 2014 and 2013, respectively and $1209 and $1557 for the nine months ended September 30, 2014 and 2013, respectively, Sales and marketing $1030 and $844 for the three months ended September 30, 2014 and 2013, respectively and $2,766 and $2,159 for the nine months ended September 30, 2014 and 2013, respectively, Product development $1,171 and $1,241 for the three months ended September 30, 2014 and 2013, respectively and $2,783 and $2,922 for the nine months ended September 30, 2014 and 2013, respectively, and General and administrative $1,088 and $1,078 for the three months ended September 30, 2014 and 2013, respectively and $2,800 and $3,111 for the nine months ended September 30, 2014 and 2013, respectively.