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Stock-Based Compensation
3 Months Ended
Apr. 30, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock-Based Compensation

Note 8: Stock-Based Compensation

Total stock-based compensation recognized for stock-based awards in the condensed consolidated statements of operations was as follows (in thousands):

 

 

Three Months Ended

 

 

 

April 30,

2019

 

 

April 30,

2018

 

Cost of revenue

 

$

285

 

 

$

192

 

Sales and marketing

 

 

446

 

 

 

326

 

Research and development

 

 

1,096

 

 

 

863

 

General and administrative

 

 

1,155

 

 

 

933

 

Total stock-based compensation expense

 

$

2,982

 

 

$

2,314

 

 

As of April 30, 2019, there was $31.2 million of unrecognized stock-based compensation expense related to unvested RSUs, stock options and ESPP purchases that will be recognized on a straight-line basis over the remaining weighted-average vesting period of approximately 3 years.

The fair value of employee stock options and ESPP purchases was estimated using the Black–Scholes model with the following assumptions:

 

 

Three Months Ended

 

 

 

April 30,

2019

 

 

April 30,

2018

 

Stock Options:

 

 

 

 

 

 

 

 

Expected volatility

 

44%

 

 

43%

 

Expected term (in years)

 

6.1

 

 

6.1

 

Risk-free interest rate

 

2.5%

 

 

2.7%

 

Dividend yield

 

NA

 

 

NA

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

 

April 30,

2019

 

 

April 30,

2018

 

ESPP:

 

 

 

 

 

 

 

 

Expected volatility

 

40%-49%

 

 

47%-56%

 

Expected term (in years)

 

0.5-2.0

 

 

0.5-2.0

 

Risk-free interest rate

 

2.4%-2.5%

 

 

2.0%-2.3%

 

Dividend yield

 

NA

 

 

NA