|
Stock Compensation Plans (Tables)
|
12 Months Ended |
|
Dec. 31, 2014
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of the status of these options at December 31, 2014 and changes during the years ended December 31, 2014, 2013 and 2012 are presented below:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares |
|
Weighted- Average Exercise Price |
|
Weighted- Average Remaining Contractual Term (Years) |
|
Aggregate Intrinsic Value |
Options outstanding, December 31, 2011 and 2012 |
|
4,475,000 |
|
|
$ |
1.63 |
|
|
4.4 |
|
$ |
516 |
|
Exercised |
|
(50,000 |
) |
|
1.05 |
|
|
|
|
|
|
Options outstanding, December 31, 2013 |
|
4,425,000 |
|
|
$ |
1.63 |
|
|
3.4 |
|
$ |
6,624 |
|
Exercised |
|
(10,000 |
) |
|
1.05 |
|
|
|
|
|
|
Options outstanding, December 31, 2014 |
|
4,415,000 |
|
|
$ |
1.63 |
|
|
2.4 |
|
$ |
10,224 |
|
Vested or expected to vest, December 31, 2014 |
|
4,415,000 |
|
|
$ |
1.63 |
|
|
2.4 |
|
$ |
10,224 |
|
Options exercisable, December 31, 2014 |
|
4,415,000 |
|
|
$ |
1.63 |
|
|
2.4 |
|
$ |
10,224 |
|
|
| Employee and Director Option [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
The fair value of each option award was estimated on the date of grant using the Black-Scholes option pricing model using the following weighted-average assumptions:
|
|
|
|
|
|
|
|
|
|
|
|
|
Year Ended December 31, |
|
|
2014 |
|
2013 |
|
2012 |
Dividend yield |
|
— |
% |
|
— |
% |
|
— |
% |
Expected volatility |
|
64.94 |
% |
|
65.66 |
% |
|
62.87 |
% |
Risk-free interest rate |
|
2.02 |
% |
|
1.17 |
% |
|
1.00 |
% |
Expected life (in years) |
|
6.4 |
|
|
6.2 |
|
|
6.2 |
|
|
| Plan 1999 [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of the status of the 1999 Plan at December 31, 2014 and changes during the years ended December 31, 2014, 2013 and 2012 are presented below:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares |
|
Weighted- Average Exercise Price |
|
Weighted- Average Remaining Contractual Term (Years) |
|
Aggregate Intrinsic Value |
Options outstanding, December 31, 2011 |
|
17,765,468 |
|
|
$ |
1.36 |
|
|
6.0 |
|
$ |
19,977 |
|
Granted |
|
500,000 |
|
|
2.80 |
|
|
|
|
|
|
Exercised |
|
(881,500 |
) |
|
0.88 |
|
|
|
|
|
|
Forfeited |
|
(35,000 |
) |
|
1.90 |
|
|
|
|
|
|
Expired |
|
(46,500 |
) |
|
0.27 |
|
|
|
|
|
Options outstanding, December 31, 2012 |
|
17,302,468 |
|
|
1.43 |
|
|
5.3 |
|
4,475 |
|
Exercised |
|
(285,067 |
) |
|
1.33 |
|
|
|
|
|
|
Forfeited |
|
(30,000 |
) |
|
1.38 |
|
|
|
|
|
|
Expired |
|
(55,000 |
) |
|
0.34 |
|
|
|
|
|
Options outstanding, December 31, 2013 |
|
16,932,401 |
|
|
1.43 |
|
|
4.4 |
|
28,748 |
|
Exercised |
|
(1,141,200 |
) |
|
1.10 |
|
|
|
|
|
|
Expired |
|
(5,200 |
) |
|
1.01 |
|
|
|
|
|
Options outstanding, December 31, 2014 |
|
15,786,001 |
|
|
$ |
1.46 |
|
|
3.6 |
|
$ |
39,353 |
|
Vested or expected to vest, December 31, 2014 |
|
15,784,184 |
|
|
$ |
1.46 |
|
|
3.6 |
|
$ |
39,350 |
|
Options exercisable, December 31, 2014 |
|
15,154,750 |
|
|
$ |
1.44 |
|
|
3.5 |
|
$ |
38,048 |
|
|
|
|
|
|
|
|
|
|
|
| Plan 2009 [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of the status of the 2009 Plan at December 31, 2014 and changes during the years ended December 31, 2014, 2013 and 2012 are presented below:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares |
|
Weighted- Average Exercise Price |
|
Weighted- Average Remaining Contractual Term (Years) |
|
Aggregate Intrinsic Value |
Options outstanding, December 31, 2011 |
|
12,503,994 |
|
|
1.55 |
|
|
9.6 |
|
11,651 |
|
Granted |
|
3,725,000 |
|
|
2.57 |
|
|
|
|
|
|
Forfeited |
|
(291,279 |
) |
|
1.73 |
|
|
|
|
|
Options outstanding, December 31, 2012 |
|
15,937,715 |
|
|
$ |
1.78 |
|
|
8.7 |
|
$ |
790 |
|
Granted |
|
2,788,212 |
|
|
1.41 |
|
|
|
|
|
|
Exercised |
|
(272,955 |
) |
|
1.39 |
|
|
|
|
|
|
Forfeited |
|
(307,408 |
) |
|
1.51 |
|
|
|
|
|
|
Options outstanding, December 31, 2013 |
|
18,145,564 |
|
|
$ |
1.74 |
|
|
8.0 |
|
$ |
25,285 |
|
Granted |
|
3,641,212 |
|
|
3.29 |
|
|
|
|
|
|
Exercised |
|
(1,174,376 |
) |
|
1.56 |
|
|
|
|
|
|
Forfeited |
|
(233,201 |
) |
|
1.64 |
|
|
|
|
|
|
Options outstanding, December 31, 2014 |
|
20,379,199 |
|
|
$ |
2.03 |
|
|
7.4 |
|
$ |
39,303 |
|
Vested or expected to vest, December 31, 2014 |
|
20,218,120 |
|
|
$ |
2.02 |
|
|
7.4 |
|
$ |
39,030 |
|
Options exercisable, December 31, 2014 |
|
10,892,035 |
|
|
$ |
1.69 |
|
|
6.9 |
|
$ |
24,608 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|