Stock-Based Compensation (Tables)
|
12 Months Ended |
Dec. 31, 2016 |
|---|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
| Summary of Stock Option Activity and Related Information |
A summary of our stock option activity and related information is
as follows:
|
|
|
|
|
|
|
|
|
| |
|
Number
of Options |
|
|
Weighted
Average
Exercise
Price |
|
|
Outstanding January 1, 2014
|
|
|
5,129,579 |
|
|
$ |
3.72 |
|
|
Granted
|
|
|
1,420,800 |
|
|
|
1.68 |
|
|
Exercised
|
|
|
(103,481 |
) |
|
|
1.75 |
|
|
Forfeited / Terminated / Expired
|
|
|
(63,441 |
) |
|
|
1.98 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2014
|
|
|
6,383,457 |
|
|
|
3.31 |
|
|
Granted
|
|
|
1,215,296 |
|
|
|
1.31 |
|
|
Exercised
|
|
|
(32,439 |
) |
|
|
1.60 |
|
|
Forfeited / Expired
|
|
|
(513,672 |
) |
|
|
2.34 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2015
|
|
|
7,052,642 |
|
|
|
3.05 |
|
|
Granted
|
|
|
2,840,000 |
|
|
|
2.13 |
|
|
Exercised
|
|
|
(164,827 |
) |
|
|
1.56 |
|
|
Forfeited / Expired
|
|
|
(491,587 |
) |
|
|
3.57 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2016
|
|
|
9,236,228 |
|
|
$ |
2.76 |
|
|
|
|
|
|
|
|
|
|
|
Vested during 2016
|
|
|
1,332,571 |
|
|
$ |
1.72 |
|
|
Vested and exercisable at December 31, 2016
|
|
|
5,968,199 |
|
|
$ |
3.22 |
|
|
| Summarizes Information Concerning Options Outstanding and Options Vested and Exercisable |
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| |
|
December 31, 2016 |
|
| |
|
Options Outstanding |
|
|
Options Vested and Exercisable |
|
|
Exercise Price
|
|
Number
of
Options |
|
|
Weighted
Average
Remaining
Contractual
Life |
|
|
Weighted
Average
Exercise
Price |
|
|
Number
of
Options |
|
|
Weighted
Average
Remaining
Contractual
Life |
|
|
Weighted
Average
Exercise
Price |
|
|
$1.01 – 1.91
|
|
|
4,003,376 |
|
|
|
7.44 |
|
|
$ |
1.58 |
|
|
|
2,686,969 |
|
|
|
7.06 |
|
|
$ |
1.59 |
|
|
$2.09 – 3.84
|
|
|
2,499,852 |
|
|
|
8.92 |
|
|
$ |
2.24 |
|
|
|
550,230 |
|
|
|
6.99 |
|
|
$ |
2.42 |
|
|
$4.00 – 5.28
|
|
|
2,733,000 |
|
|
|
0.54 |
|
|
$ |
4.98 |
|
|
|
2,731,000 |
|
|
|
0.54 |
|
|
$ |
4.98 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9,236,228 |
|
|
|
|
|
|
|
|
|
|
|
5,968,199 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| Summary of Restricted Stock Unit Activity and Related Information |
A summary of our restricted stock unit activity and related
information is as follows:
|
|
|
|
|
|
|
|
|
| |
|
Number
of
Restricted
Stock Units |
|
|
Weighted
Average
Fair Value |
|
|
Outstanding January 1, 2014
|
|
|
2,449,346 |
|
|
$ |
1.71 |
|
|
Granted
|
|
|
460,112 |
|
|
|
1.65 |
|
|
Vested-common stock issued
|
|
|
(1,013,446 |
) |
|
|
1.71 |
|
|
Forfeited / Expired
|
|
|
(6,745 |
) |
|
|
1.68 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2014
|
|
|
1,889,267 |
|
|
|
1.70 |
|
|
Granted
|
|
|
455,776 |
|
|
|
1.28 |
|
|
Vested-common stock issued
|
|
|
(1,032,979 |
) |
|
|
1.69 |
|
|
Forfeited / Expired
|
|
|
(242,964 |
) |
|
|
1.62 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2015
|
|
|
1,069,100 |
|
|
|
1.55 |
|
|
Granted
|
|
|
933,552 |
|
|
|
2.19 |
|
|
Vested-common stock issued
|
|
|
(732,720 |
) |
|
|
1.71 |
|
|
Forfeited / Expired
|
|
|
(68,773 |
) |
|
|
1.90 |
|
|
|
|
|
|
|
|
|
|
|
Outstanding December 31, 2016
|
|
|
1,201,159 |
|
|
$ |
1.92 |
|
|
|
|
|
|
|
|
|
|
|
Vested/Issued cumulative at December 31, 2016
|
|
|
3,257,323 |
|
|
$ |
1.71 |
|
|