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Stockholders' Equity And Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2015
Stockholders' Equity And Stock-Based Compensation [Abstract]  
Stock Option Activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of Options

 

Weighted Average Exercise Price

 

Weighted Average Remaining Contractual Term

 

Aggregate Intrinsic Value                                  

 

 

 

 

 

 

 

In years

 

 

In millions

 

Outstanding as of December 31, 2014

17,913,182 

 

$

3.92 

 

5.0

 

$

0.5

 

Granted

2,210,000 

 

$

1.90 

 

 

 

 

 

 

Exercised

 —

 

$

 —

 

 

 

 

 

 

Cancelled

(1,607,928)

 

$

3.11 

 

 

 

 

 

 

Outstanding as of December 31, 2015

18,515,254 

 

$

3.75 

 

5.1

 

$

0.0

 

Vested and expected to vest at December 31, 2015

18,515,254 

 

$

3.75 

 

5.1

 

$

0.0

 

Exercisable at December 31, 2015

13,315,572 

 

$

4.20 

 

3.6

 

$

0.0

 

 

 

 

 

 

 

 

 

 

 

 

Information About Stock Options Outstanding

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Options outstanding

 

Options exercisable

 

 

 

 

 

 

 

 

 

Weighted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

average

 

Weighted

 

 

 

Weighted

 

 

 

 

 

 

 

Number of

 

remaining

 

average

 

Number of

 

average

 

Range of exercise prices

 

outstanding

 

contractual

 

exercise

 

vested

 

exercise

 

From

 

To

 

options

 

life (in years)

 

price

 

options

 

price

 

$

1.72

 

$

2.23

 

3,830,000 

 

9.4

 

$

1.83

 

489,165 

 

$

1.75

 

$

2.33

 

$

3.34

 

4,497,632 

 

5.4

 

$

2.74

 

3,722,525 

 

$

2.77

 

$

3.37

 

$

4.77

 

3,760,591 

 

3.4

 

$

4.07

 

3,562,060 

 

$

4.04

 

$

4.80

 

$

5.00

 

4,881,408 

 

3.0

 

$

4.89

 

4,050,158 

 

$

4.87

 

$

5.02

 

$

7.65

 

1,545,623 

 

4.2

 

$

7.03

 

1,491,664 

 

$

7.09

 

 

 

 

 

 

 

18,515,254 

 

5.1

 

$

3.75

 

13,315,572 

 

$

4.20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted Average Fair Value Of Options Granted

 

 

 

 

 

 

 

 

 

 

 

 

 

2015

 

2014

 

2013

Volatility

74% to 76%

 

68% to 74%

 

58% to 64%

Risk-free interest rates

1% to 2%

 

1% to 2%

 

1% to 2%

Expected life of option

7 years

 

7 years

 

7 years

Dividend yield

zero

 

zero

 

zero

Forfeiture rate

zero

 

zero

 

zero

Weighted average fair value of stock options granted

$1.29

 

$2.32

 

$1.54

 

 

 

 

 

 

 

Performance Award activity

 

 

 

Number of Performance Awards

Outstanding as of December 31, 2014

1,889,465 

Granted

50,000 

Exercised

 —

Cancelled

(50,000)

Outstanding as of December 31, 2015

1,889,465 

 

 

 

Summary Of Non-Cash Stock-Based Compenstion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Years ended December 31,

 

2015

 

2014

 

2013

 

 

 

 

 

 

 

 

 

Research and development

$

1,198 

 

$

1,624 

 

$

1,349 

General and administrative

 

2,259 

 

 

2,137 

 

 

1,752 

 

$

3,457 

 

$

3,761 

 

$

3,101