Stock-based Compensation Plans and Awards (Tables)

12 Months Ended

Dec. 31, 2019

Stock-based Compensation Plans and Awards

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

	Year ended December 31,
	2019		2018
Expected life (in years)	5.7		5.8
Risk-free interest rate	2.4	%	2.9	%
Expected volatility range	43.9	%	44.2	%
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, 2018	1,853	$	9.65	6.09	$	879
Options granted	120	$	7.80
Options exercised	(105)	$	5.70
Options forfeited or cancelled	(58)	$	5.90
Outstanding at December 31, 2019	1,810	$	9.88	5.31	$	—
Exercisable at December 31, 2019	1,671	$	10.02	5.01	$	—
Vested and expected to vest at December 31, 2019	1,810	$	9.88	5.31	$	—

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,
	2019		2018
Weighted average fair value of options granted (per option)	$	3.45	$	4.75
Intrinsic value of options exercised	$	160	$	1,167

Restricted Stock Unit Activity

Restricted stock unit activity is as follows (in thousands, except per share data):

		Weighted
		average
	Number of	grant date
	shares	fair value
Unvested at December 31, 2018	1,921	$	7.99
Granted	2,612	$	6.46
Vested	(1,058)	$	7.89
Forfeited	(437)	$	7.98
Unvested at December 31, 2019	3,038	$	6.71

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,
	2019		2018
Service costs	$	1,139	$	699
Sales and marketing		843		937
Product development		2,536		2,278
General and administrative		4,846		5,517
Total stock-based compensation	$	9,364	$	9,431