Stock-based Compensation Plans and Awards (Tables)

12 Months Ended

Dec. 31, 2015

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

Schedule of Stock-based Payment Award, Stock Options, Valuation Weighted Average Assumptions

	Year ended December 31,
	2015		2014		2013
Expected life (in years)	5.94		5.89		5.50
Risk-free interest rate	1.69	%	1.82	%	0.83	%
Expected volatility range	53.4	%	54.1	%	51	%
Expected dividend yield	—		—		—

Stock Options Activity

Stock option activity is as follows (in thousands, except per share data):
				Weighted
				average
			Weighted	remaining
	Number of		average	contractual	Aggregate
	options		exercise	term	intrinsic
	outstanding		price	(in years)	value
Outstanding at December 31, 2014	3,473	$	8.65	9.33	$	353
Options granted	1,056	$	5.37
Options exercised	(15)	$	4.39
Options forfeited or cancelled	(1,315)	$	7.40
Outstanding at December 31, 2015	3,199	$	8.10	8.67	$	409
Exercisable at December 31, 2015	861	$	9.21	7.71	$	39
Vested and expected to vest at December 31, 2015	2,895	$	8.38	8.62	$	313

Schedule of Stock-Based Compensation, Activity

Information related to stock-based compensation activity is as follows (in thousands, except per share data):

	Year ended December 31,
	2015		2014		2013
Weighted average fair value of options granted (per option)	$	2.74	$	4.21	$	3.92
Intrinsic value of options exercised	$	13	$	303	$	2,179

Restricted Stock Unit Activity

Restricted Stock Units

		Weighted
		average
	Number of	grant date
	Shares	fair value
Unvested at December 31, 2014	857	$	10.28
Granted	1,005	$	5.26
Vested	(278)	$	10.53
Forfeited	(607)	$	8.06
Unvested at December 31, 2015	977	$	6.42

Stock-based Compensation Expense

Stock-based compensation expense related to all employee and non-employee stock-based awards was as follows (in thousands):

	Year ended December 31,
	2015		2014		2013
Service costs	$	1,084	$	1,422	$	2,420
Sales and marketing		588		683		3,823
Product development		1,836		4,745		3,835
General and administrative		4,054		12,016		12,525
Discontinued operations		—		2,949		4,781
Total stock-based compensation		7,562		21,815		27,384
Income tax benefit related to stock-based compensation included in net income (loss)		—		(706)		(782)
	$	7,562	$	21,109	$	26,602