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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2017
Restricted Stock Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Restricted Stock Awards and Restricted Stock Units
he following table provides a summary of the Company’s restricted stock unit activity for the 2013 Plan during the three months ended March 31, 2017:
 
Restricted Stock
Units
 
Weighted
Average
Grant Date
Fair Value
Non-vested at December 31, 2016
100,369

 
$
12.00

Vested and unissued
(30,132
)
 
$
12.00

Non-vested at March 31, 2017
70,237

 
$
12.00
Restricted Stock Awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Restricted Stock Awards and Restricted Stock Units
The following table provides a summary of the Company’s restricted stock award activity for the 2013 Plan during the three months ended March 31, 2017:
 
Restricted Stock
Awards
 
Weighted
Average
Grant Date
Fair Value
Non-vested at December 31, 2016
7,332,537

 
$
13.21

Granted
160,428

 
$
8.15

Vested
(768,386
)
 
$
8.41

Canceled
(53,535
)
 
$
12.21

Non-vested at March 31, 2017
6,671,044

 
$
13.65
2011 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Total Stock-Based Compensation Expense
The following table presents total stock-based compensation expense recorded in the consolidated statement of operations and comprehensive income (loss) for all 2012 restricted stock awards and units issued prior to the IPO, and all awards granted under the Company’s 2013 Plan and the 2011 Plan:
 
Three Months Ended
March 31,
 
2016
 
2017
 
(in thousands)
Cost of revenue
$
770

 
$
1,506

Sales and marketing
1,722

 
1,854

Engineering and development
764

 
1,170

General and administrative
15,132

 
8,394

Total stock-based compensation expense
$
18,388

 
$
12,924
Summary of Stock Options
The following table provides a summary of the Company’s stock options as of March 31, 2017 and the stock option activity for all stock options granted under the 2011 Plan during the three months ended March 31, 2017:
 
Stock
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Remaining
Contractual Term
(In Years)
 
Aggregate
Intrinsic
Value(3)
(in thousands)
Outstanding at December 31, 2016
1,931,830

 
$
8.73

 
 
 
 
Granted/ Exchanged
14,724

 
$
8.15

 
 
 
 
Exercised
(90,320
)
 
$
6.96

 
 
 
 
Forfeited
(128,677
)
 
$
9.67

 
 
 
 
Outstanding at March 31, 2017
1,727,557

 
$
8.75

 
4.9
 
$
1,227

Exercisable at March 31, 2017
552,672

 
$
7.01

 
3.6
 
$
871

Expected to vest after March 31, 2017 (1)
1,174,885

 
$
9.57

 
5.4
 
$
356

Exercisable as of March 31, 2017 and expected to vest (2)
1,727,557

 
$
8.75

 
4.9
 
$
1,227

(1)
This represents the number of unvested options outstanding as of March 31, 2017 that are expected to vest in the future, which have been reduced using an estimated forfeiture rate.
(2)
This represents the number of vested options as of March 31, 2017 plus the number of unvested options outstanding as of March 31, 2017 that are expected to vest in the future, which have been reduced using an estimated forfeiture rate.
(3)
The aggregate intrinsic value was calculated based on the positive difference, if any, between the estimated fair value of the Company’s common stock on March 31, 2017 of $7.85 per share, or the date of exercise, as appropriate, and the exercise price of the underlying options.
Summary of Restricted Stock Awards and Restricted Stock Units
The following table provides a summary of the Company’s restricted stock unit activity for the 2011 Plan during the three months ended March 31, 2017:
 
Restricted Stock
Units
 
Weighted
Average
Grant Date
Fair Value
Non-vested at December 31, 2016
1,473,655

 
$
9.25

Granted/ Exchanged
7,362

 
$
8.15

Vested
(145,589
)
 
$
7.69

Canceled
(90,821
)
 
$
9.67

Non-vested at March 31, 2017
1,244,607

 
$
9.39
2013 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Stock Options
The following table provides a summary of the Company’s stock options as of March 31, 2017 and the stock option activity for all stock options granted under the 2013 Plan during the three months ended March 31, 2017:
 
Stock
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Remaining
Contractual
Term
(In Years)
 
Aggregate
Intrinsic
Value(3)
(in thousands)
Outstanding at December 31, 2016
9,607,431

 
$
12.79

 
 
 
 
Granted
110,433

 
$
8.15

 
 
 
 
Exercised
—

 
$
—

 
 
 
 
Forfeited
(106,555
)
 
$
12.40

 
 
 
 
Expired
(190,281
)
 
$
13.10

 
 
 
 
Outstanding at March 31, 2017
9,421,028

 
$
12.74

 
7.7
 
$
—

Exercisable at March 31, 2017
4,643,602

 
$
13.21

 
6.8
 
$
—

Expected to vest after March 31, 2017 (1)
4,777,426

 
$
12.28

 
8.5
 
$
—

Exercisable as of March 31, 2017 and expected to vest (2)
9,421,028

 
$
12.74

 
7.7
 
$
—

(1)
This represents the number of unvested options outstanding as of March 31, 2017 that are expected to vest in the future, which have been reduced using an estimated forfeiture rate.
(2)
This represents the number of vested options as of March 31, 2017 plus the number of unvested options outstanding as of March 31, 2017 that are expected to vest in the future, which have been reduced using an estimated forfeiture rate.
(3)
The aggregate intrinsic value was calculated based on the positive difference, if any, between the estimated fair value of the Company’s common stock on March 31, 2017 of $7.85 per share, or the date of exercise, as appropriate, and the exercise price of the underlying options.