Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

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

The following is a summary of option activity for the nine months ended September 30, 2017:



	Number of Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2017	11,426,296		$	6.10	—	—
Granted	368,894		$	4.13	—	—
Exercised	(1,351,648	)	$	0.87	—	—
Forfeited	(1,095,455	)	$	9.07	—	—
Expired	(1,120,351	)	$	11.36	—	—
Outstanding at September 30, 2017	8,227,736		$	5.76	6.7	$	13,831
Exercisable at September 30, 2017	5,948,010		$	4.98	6.1	$	13,510
Vested or expected to vest as of September 30, 2017	8,164,605		$	5.75	6.7	$	13,827

Schedule of Activities of RSUs

The following table summarizes our activities of Restricted Stock Units ("RSUs") and Performance Restricted Stock Units ("PRSUs") during the nine months ended September 30, 2017:



	Number of RSUs		Weighted-Average Grant Date Fair Value
Unvested at January 1, 2017	3,888,768		$	8.46
RSUs and PRSUs granted	1,791,690		$	4.50
RSUs vested	(546,671	)	$	9.09
RSUs and PRSUs forfeited/expired	(1,604,916	)	$	8.15
Unvested at September 30, 2017	3,528,871		$	6.30
Expected to vest after September 30, 2017	3,121,430		$	6.36

Schedule of Stock-based Compensation Expense

Stock-based compensation expense related to stock options, RSUs, PRSUs and Employee Stock Purchase Program are included in the following line items in our accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2017 and 2016 (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Sales and marketing	$	538	$	920	$	1,830	$	2,749
Technology and analytics	499		793		1,824		2,437
Processing and servicing	99		227		429		781
General and administrative	1,920		1,821		5,438		5,456
Total	$	3,056	$	3,761	$	9,521	$	11,423