Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plans (Tables)

v3.10.0.1
Equity Incentive Plans (Tables)
12 Months Ended
Dec. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Schedule of Fair Value of Stock Option Grants Valuation Assumptions by Block-Scholes Option Pricing Model

The fair value of stock option grants is set forth below and was determined using the Black-Scholes option pricing model with the following assumptions:

 

 

 

Year Ended December 31,

 

 

2018

 

2017

 

2016

Fair value of common stock

 

$23.72-$47.39

 

$3.06-$19.56

 

$0.85-$3.06

Expected term (in years)

 

6

 

5-6

 

2-10

Risk-free interest rate

 

2.60%-3.00%

 

1.85%-2.29%

 

0.75%-1.77%

Expected volatility

 

64%-67%

 

55%

 

55%

Expected dividend yield

 

 

 

Schedule of Stock Option Activity

A summary of stock option activities under the 2005 Plan and 2017 Plan during 2016, 2017 and 2018 is as follows:

 

 

 

Number

of Options

Outstanding

 

 

Weighted

Average

Exercise

Price

 

Outstanding at December 31, 2015

 

 

938,250

 

 

$

0.90

 

Granted

 

 

272,769

 

 

$

1.27

 

Exercised

 

 

(33,395

)

 

$

0.75

 

Canceled

 

 

(47,483

)

 

$

4.14

 

Outstanding at December 31, 2016

 

 

1,130,141

 

 

$

0.86

 

Granted

 

 

261,476

 

 

$

5.52

 

Exercised

 

 

(74,984

)

 

$

0.74

 

Canceled

 

 

(22,505

)

 

$

1.52

 

Outstanding at December 31, 2017

 

 

1,294,128

 

 

$

1.79

 

Granted

 

 

157,078

 

 

$

33.70

 

Exercised

 

 

(609,985

)

 

$

0.90

 

Canceled

 

 

(21,035

)

 

$

6.78

 

Outstanding at December 31, 2018

 

 

820,186

 

 

$

8.44

 

Schedule of Stock Options Outstanding, Exercisable and Vested

Stock options outstanding, exercisable and vested were as follows:

 

Outstanding at December 31, 2018

 

 

Weighted-average Remaining Contractual Life (years)

 

Exercisable and Vested as of December 31, 2018

 

 

Weighted-average Remaining Contractual Life (years)

 

Weighted-average Exercise Price

 

820,186

 

 

7.17

 

 

439,927

 

 

5.99

 

1.66

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at December 31, 2017

 

 

Weighted-average Remaining Contractual Life (years)

 

Exercisable and Vested as of December 31, 2017

 

 

Weighted-average Remaining Contractual Life (years)

 

Weighted-average Exercise Price

 

1,294,128

 

 

6.22

 

 

883,959

 

 

5

 

0.85

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at December 31, 2016

 

 

Weighted-average Remaining Contractual Life (years)

 

Exercisable and Vested as of December 31, 2016

 

 

Weighted-average Remaining Contractual Life (years)

 

Weighted-average Exercise Price

 

1,130,141

 

 

6.29

 

 

842,261

 

 

5.32

 

0.74

Schedule of Stock-Based Compensation Expense Recorded in Consolidated Statements of Operations

Total stock-based compensation expense associated with the 2005 Plan, 2017 Plan and 2017 ESPP is recorded in the consolidated statements of operations and was allocated as follows (in thousands):

 

 

 

 

Year Ended December 31,

 

 

 

 

2018

 

 

2017

 

 

2016

 

Costs

 

 

$

316

 

 

$

75

 

 

$

11

 

Sales and marketing

 

 

 

770

 

 

 

133

 

 

 

7

 

Research and development

 

 

 

272

 

 

 

69

 

 

 

18

 

General and administrative

 

 

 

1,110

 

 

 

351

 

 

 

47

 

Total

 

 

$

2,468

 

 

$

628

 

 

$

83