Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.20.1
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2019
Stockholders' Equity  
Summary of restricted stock award activity

The following table summarizes restricted stock award activity for the year ended December 31, 2019 and 2018:

 

 

 

 

 

 

 

 

 

 

 

Weighted Average

 

 

 

 

Grant Date Fair

 

    

Number of Shares

    

Value

Nonvested at December 31, 2017

 

2,611,116

 

$

3.89

Granted

 

616,240

 

 

3.75

Vested

 

(295,250)

 

 

0.29

Nonvested at December 31, 2018

 

2,932,106

 

$

4.22

Granted

 

800,652

 

 

3.33

Forfeited

 

(21,000)

 

 

3.16

Vested

 

(407,919)

 

 

1.96

Nonvested at December 31, 2019

 

3,303,839

 

$

4.29

 

Summary of stock option award activity

The following table summarizes stock option award activity for the year ended December 31, 2019 and 2018.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted Average

 

 

 

 

 

 

 

Remaining

 

 

 

 

Weighted Average

 

Contractual Life

 

    

Stock Options

    

Exercise Price

    

(in years)

Outstanding as of December 31, 2017

 

60,000

 

$

5.43

 

9.09

Granted

 

 —

 

 

 —

 

  

Outstanding as of December 31, 2018

 

60,000

 

$

5.43

 

8.09

Granted

 

100,000

 

 

2.56

 

 

Outstanding as of December 31, 2019

 

160,000

 

$

3.64

 

8.56

 

Summary of warrant activities

A summary of warrant activities for year ended December 31, 2019 and 2018 is presented below:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted Average

 

 

 

 

 

 

 

Remaining

 

 

 

 

Weighted Average

 

Contractual Life

 

    

Warrants

    

Exercise Price

    

(in years)

Outstanding as of December 31, 2017

 

4,326,555

 

$

6.62

 

3.67

Exercised

 

(45,583)

 

 

 —

 

  

Outstanding as of December 31, 2018

 

4,280,972

 

$

6.69

 

2.33

Exercised

 

(73,525)

 

 

 —

 

 

Outstanding as of December 31, 2019

 

4,207,447

 

$

6.81

 

1.25

 

Summary of stock-based compensation expense

The following table summarizes stock-based compensation expense for the years ended December 31, 2019 and 2018 (in thousands).

 

 

 

 

 

 

 

 

 

 

For the year ended December 31, 

 

    

2019

    

2018

Research and development

 

$

707

 

$

95

General and administrative

 

 

2,414

 

 

1,899

Total stock-based compensation expense

 

$

3,121

 

$

1,994