XML 74 R29.htm IDEA: XBRL DOCUMENT v3.19.3
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2019
Stock-Based Compensation  
Schedule of stock-based compensation expense attributable to share-based payments made to employees and directors and included in operating expenses

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Three Months Ended

 

Nine Months Ended

 

 

 

September 30, 

 

September 30, 

 

(in thousands)

 

2019

    

2018

 

2019

    

2018

 

Stock-based compensation:

 

 

 

    

 

 

 

 

 

    

 

 

 

Research and development

 

 

 

 

 

 

 

 

 

 

 

 

 

Employee Stock Purchase Plan

 

$

 9

    

$

11

 

$

27

    

$

62

 

Equity Incentive Plan

 

 

328

    

 

303

 

 

978

    

 

1,379

 

 

 

$

337

    

$

314

 

$

1,005

    

$

1,441

 

General and administrative

 

 

 

 

 

 

 

 

 

 

 

 

 

Employee Stock Purchase Plan

 

$

 4

    

$

 8

 

$

18

    

$

40

 

Equity Incentive Plan

 

 

622

    

 

981

 

 

1,845

    

 

2,949

 

 

 

$

626

    

$

989

 

$

1,863

    

$

2,989

 

Restructuring costs

 

 

 

 

 

 

 

 

 

 

 

 

 

Equity Incentive Plans

 

$

 —

 

$

24

 

$

 —

 

$

24

 

 

 

$

 —

    

$

24

 

$

 —

    

$

24

 

Total stock-based compensation expense

 

$

963

    

$

1,327

 

$

2,868

    

$

4,454

 

 

Schedule of weighted average assumptions applied to options

 

 

 

 

 

 

 

 

 

 

Nine Months Ended

 

 

 

September 30, 

 

 

    

2019

    

2018

 

Average risk-free interest rate

 

 
2.1%

 

 
2.5%

 

Expected dividend yield

 

 

—

 

 

—

 

Expected lives (years)

 

 

3.8

 

 

3.8

 

Expected volatility

 

 
83.7%

 

 
74.0%

 

Weighted average exercise price (per share)

 

$

2.76

 

$

12.91

 

 

Schedule of information related to outstanding and exercisable options

 

 

 

 

 

 

 

 

 

 

 

 

 

($ in thousands, except per share data)

 

Stock
Options

 

Weighted-Average
Exercise Price

 

Weighted-Average
Remaining
Contractual Life
(in years)

 

Aggregate

Intrinsic

Value

 

Outstanding at December 31, 2018

 

3,304,531

 

$

18.42

 

6.6

 

$

 —

 

Granted

 

1,259,016

 

 

2.76

 

 

 

 

 

 

Exercised

 

 —

 

 

 —

 

 

 

 

 

 

Forfeited

 

(60,595)

 

 

13.36

 

 

 

 

 

 

Expired

 

(108,571)

 

 

27.48

 

 

 

 

 

 

Outstanding at September 30, 2019 (1)

 

4,394,381

 

$

13.77

 

7.0

 

$

279

 

Exercisable at September 30, 2019

 

2,311,989

 

$

20.34

 

5.1

 

$

 —

 

 

(1)

Includes both vested stock options as well as unvested stock options for which the requisite service period has not been rendered but that are expected to vest based on achievement of a service condition.

Schedule of summary of restricted stock activity

 

 

 

 

 

 

($ in thousands, except per share data)

 

Number of Shares

 

Weighted-Average
Grant Date
Fair Value

Nonvested shares at December 31, 2018

 

 —

 

$

 —

Granted

 

194,550

 

 

3.14

Cancelled

 

(925)

 

 

3.14

Vested

 

 —

 

 

 —

Nonvested shares at September 30, 2019

 

193,625

 

$

3.14