Stock-Based Compensation and Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

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

Summary of Option Activity

The following is a summary of option activity for the three months ended March 31, 2019:

	Number of Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2019	7,932,782		$	5.86	—	—
Exercised	(315,959	)	$	3.15	—	—
Expired	(182,492	)	$	12.19	—	—
Outstanding at March 31, 2019	7,434,331		$	5.82	5.5	$	13,360
Exercisable at March 31, 2019	6,207,892		$	5.79	4.9	$	13,165
Vested or expected to vest as of March 31, 2019	7,372,107		$	5.82	5.5	$	13,351

Schedule of Activities of RSUs

The following table is a summary of activity in RSUs and PRSUs for the three months ended March 31, 2019:

	Number of RSUs		Weighted-Average Grant Date Fair Value
Unvested at January 1, 2019	3,307,561		$	6.00
RSUs and PRSUs granted	1,323,978		$	6.07
RSUs and PRSUs vested	(116,798	)	$	6.06
RSUs and PRSUs forfeited/expired	(87,635	)	$	5.59
Unvested at March 31, 2019	4,427,106		$	6.03
Expected to vest after March 31, 2019	3,537,088		$	6.04

Schedule of Stock-based Compensation Expense

Stock-based compensation expense related to stock options, RSUs, PRSUs and the employee stock purchase plan are included in the following line items in our accompanying consolidated statements of operations for the three months ended March 31, 2019 and 2018 (in thousands):

	March 31, 2019		March 31, 2018
Sales and marketing	$	559	$	535
Technology and analytics	828		597
Processing and servicing	90		105
General and administrative	1,606		1,973
Total	$	3,083	$	3,210