Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation Expense

The Company maintains several stock-based compensation plans, which are more fully described below. The Company includes total stock-based compensation expense related to all its stock awards, including $0.5 million related to liability awards,in various operating expense categories for the years ended December 31, 2014, 2013 and 2012, as follows:

	Year Ended December 31,
	2014		2013		2012
	(In Thousands)
Product and content development	$	2,020	$	2,391	$	2,084
Sales and marketing	1,533		1,591		2,036
General and administrative	2,586		2,715		2,268
Total stock-based compensation	$	6,139	$	6,697	$	6,388

Summary of Stock Option Activity and Related Information, without Regard for Estimated Forfeitures

The following table represents a summary of the Company’s stock option activity under the 2009 and 2000 Plans and related information, without regard for estimated forfeitures, for the years ended December 31, 2014 and December 31, 2013:

	Shares		Weighted Average Exercise Price
	(In Thousands)
Options outstanding at December 31, 2012	201		$	3.60
Options granted	150		12.97
Options exercised	(69	)	2.84
Options forfeited	(1	)	2.80
Options outstanding at December 31, 2013	281		8.79
Options granted	100		10.28
Options exercised	(131	)	4.00
Options forfeited	(100	)	10.28
Options outstanding at December 31, 2014	150		$	12.97

Fair Value of Options Estimated using Black-Scholes Option Pricing Model

The fair value of the options granted during the year ended December 31, 2014 have been estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:

	Year Ended December 31,
	2014	2013	2012
Expected term	3.75 years	3.75 years	N/A
Risk-free rate	1.4% - 1.7%	1.4% - 1.6%	N/A
Expected volatility	36.7% - 37.1%	37.0% - 37.1%	N/A
Dividend yield	—%	—%	N/A

Information about Options Outstanding

The following table summarizes information about options outstanding and exercisable at December 31, 2014:

Options Outstanding				Options Exercisable
Number Outstanding as of December 31, 2014	Weighted Average Remaining Contractual Life (in Years)	Weighted Average Exercise Price		Number Exercisable as of December 31, 2014	Weighted Average Remaining Contractual Life (in Years)	Weighted Average Exercise Price
(In Thousands)				(In Thousands)
150	3.73	$	12.97	38	3.73	$	12.97
150	3.73	$	12.97	38	3.73	$	12.97

Restricted Stock Activity

The following table summarizes the activity for awards of restricted stock with service-based vesting terms for the years ended December 31, 2014 and December 31, 2013:

	Restricted Stock		Weighted Average Grant Date Fair Value (per share)
	(In Thousands)
Unvested as of December 31, 2012	1,539		$	9.38
Granted	1,620		10.21
Vested	(471	)	8.93
Forfeited	(378	)	9.62
Unvested as of December 31, 2013	2,310		10.01
Granted	412		11.73
Vested	(931	)	9.67
Forfeited	(526	)	9.97
Unvested as of December 31, 2014	1,265		$	10.84

Shares Issued Under the Employee Stock Purchase Plan

During the years ended December 31, 2014 and 2013, the Company issued shares of common stock under the 2009 ESPP, as follows:

Offering Period Purchase Date	Number of Shares	Purchase Price
January 31, 2013	20,170	$	7.11
July 31, 2013	19,048	$	8.15
Total 2013	39,218
January 31, 2014	17,640	$	10.26
July 31, 2014	20,356	$	10.31
Total 2014	37,996

Fair Value of Employee Stock Purchase Plan Estimated using Black-Scholes Option Pricing Model

The fair value of 2009 ESPP rights have been estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:

	Year Ended December 31,
	2014	2013	2012
	ESPP Rights	ESPP Rights	ESPP Rights
Expected term	6 months	6 months	6 months
Risk-free rate	0.05% - 0.06%	0.08% - 0.11%	0.14% - 0.15%
Expected volatility	25.2% - 29.3%	19.9% - 20.3%	8.3% - 29.4%
Dividend yield	—%	—%	—%