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