Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.19.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2019
Stockholders' Equity  
Schedule of Stock Option Activity

The following is a summary of the stock option activity for the three months ended March 31, 2019:


 

 

Shares

 

 

Weighted

Average

Exercise

Price

 

Outstanding, December 31, 2018

 

 

465,303

 

 

$

11.60

 

Granted

 

 

2,630,821

 

 

 

1.06

 

Expired

 

 

(1,338

)

 

 

20.54

 

Forfeited

 

 

(86,032

)

 

 

1.76

 

Outstanding, March 31, 2019

 

 

3,008,754

 

 

$

2.66

 

Schedule of Stock Option Valuation Assumptions

The fair value of each stock option was estimated on the date of grant using the Black-Scholes option pricing model with the following weighted average assumptions for stock options granted during the three months ended March 31, 2019:


Dividend yield

 

 

0.0

%

Expected volatility

 

 

131.1

%

Risk-free interest rate

 

 

2.5

%

Expected lives (years)

 

 

5.5

 

Schedule of Options Outstanding, Vested and Exercisable

The following table summarizes information about stock options outstanding at March 31, 2019:


Options Outstanding

 

 

Options Vested and Exercisable

 

Balance

as of

3/31/2019

 

 

Weighted

Average

Remaining

Contractual

Life

(Years)

 

 

Weighted

Average

Exercise

Price

 

 

Balance

as of

3/31/2019

 

 

Weighted

Average

Remaining

Contractual

Life

(Years)

 

 

Weighted

Average

Exercise

Price

 

3,008,754

 

 

9.4

 

 

$2.66

 

 

1,256,273

 

 

9.0

 

 

$4.28

 

Schedule of Restricted Stock Unit Activity

The following is a summary of restricted stock and restricted stock unit activity for the three months ended March 31, 2019:


 

 

Shares

 

Unvested, December 31, 2018

 

 

56,520

 

Granted

 

 

1,579,179

 

Vested

 

 

(747,805

)

Forfeited

 

 

(49,215

)

Unvested, March 31, 2019

 

 

838,679