Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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

Share-based compensation expense included in costs and expenses

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(in thousands)
Share-based compensation expense:
Cost of revenues	$	19	$	43	$	47	$	106
Sales and marketing [1]		384		153		1,358		439
Technology support [2]		83		202		513		429
General and administrative [3]		460		287		1,267		922
Share-based compensation costs		946		685		3,185		1,896
Amount capitalized to internal use software		6		1		14		7
Total share-based compensation costs	$	940	$	684	$	3,171	$	1,889

Service based options granted during period

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Number of service-based options granted		314,000		16,200		805,400		600,750
Weighted average grant date fair value	$	7.40	$	8.12	$	7.73	$	5.69
Weighted average exercise price	$	15.51	$	17.42	$	16.26	$	12.38

Stock option exercises

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Number of stock options exercised		176,388		—		334,861		19,074
Weighted average exercise price	$	7.99	$	—	$	8.59	$	5.92

Fair value of stock options granted using the following weighted average assumptions

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Dividend yield		—			—			—			—
Volatility		59	%		57	%		58	%		56	%
Risk-free interest rate		1.1	%		1.4	%		1.2	%		1.3	%
Expected life (years)		4.4			4.4			4.4			4.4