Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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,
	2018		2017		2018		2017
	(in thousands)
Share-based compensation expense:
Cost of revenues	$	2	$	20	$	21	$	59
Sales and marketing		520		409		904		1,222
Technology support		886		138		1,213		401
General and administrative		388		397		2,228		1,238
Share-based compensation costs		1,796		964		4,366		2,920
Less amount capitalized to internal use software:		—		1		1		2
Total share-based compensation costs	$	1,796	$	963	$	4,365	$	2,918

Service based options granted during period

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Number of service-based options granted		33,000		83,850		1,749,700		457,100
Weighted average grant date fair value	$	1.65	$	3.72	$	1.83	$	6.29
Weighted average exercise price	$	3.04	$	7.23	$	3.29	$	12.51

Stock option exercises

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Number of stock options exercised		1,000		15,000		16,967		191,074
Weighted average exercise price	$	1.75	$	4.20	$	4.51	$	5.58

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Dividend yield		—			—			—			—
Volatility		66	%		63	%		68	%		62	%
Risk-free interest rate		2.9	%		1.8	%		2.6	%		1.8	%
Expected life (years)		4.5			4.4			4.5			4.4