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Stock-Based Compensation Expense
3 Months Ended
Mar. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock-Based Compensation Expense

12. Stock-Based Compensation Expense

The following two tables show stock-based compensation expense by award type and where the stock-based compensation expense is recorded in the Company’s consolidated statements of operations:

 

 

 

Three Months Ended March 31,

 

 

 

2018

 

 

2017

 

 

 

(in thousands)

 

Options

 

$

1,334

 

 

$

1,247

 

RSUs

 

 

14,241

 

 

 

7,790

 

Employee stock purchase plan

 

 

471

 

 

 

266

 

Total stock-based compensation expense

 

$

16,046

 

 

$

9,303

 

 

Effect of stock-based compensation expense on income by line item:

 

 

 

Three Months Ended March 31,

 

 

 

2018

 

 

2017

 

 

 

(in thousands)

 

Cost of revenue, subscription

 

$

277

 

 

$

115

 

Cost of revenue, professional services and other

 

 

690

 

 

 

449

 

Research and development

 

 

4,764

 

 

 

2,442

 

Sales and marketing

 

 

6,492

 

 

 

3,770

 

General and administrative

 

 

3,823

 

 

 

2,527

 

Total stock-based compensation expense

 

$

16,046

 

 

$

9,303

 

 

Capitalized software development costs excluded from stock-based compensation expense is $550 thousand for the three months ended March 31, 2018 and $338 thousand for the three months ended March 31, 2017.