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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock Option Activities of Stock Option Plans | The following information relates to our stock option plans:
|  | December 31, 2015 |
|  | 2008 Plan |  |  | Outside Director Plan |
Maximum number of securities for issuance |  |  | 1,975,000 |  |  |  | 400,000 |
Number of awards available to be granted |  |  | 797,890 |  |  |  | 278,456 |
Number of options outstanding (1) |  |  | 802,780 |  |  |  | — |
Number of options exercisable (2) |  |  | 232,925 |  |  |  | — |
(1) | Includes 211,025 options associated with employees in our discontinued operations.
(2) | Includes 80,240 options associated with employees in our discontinued operations.
|  | 2015 |
|  | Shares |  |  | Weighted-Average Exercise Price |
Outstanding at beginning of year |  |  | 955,848 |  |  | $ | 27.09 |
Granted |  |  | 135,000 |  |  | $ | 38.73 |
Exercised |  |  | (159,348 | ) |  | $ | 11.20 |
Forfeited or expired |  |  | (88,720 | ) |  | $ | 27.29 |
Outstanding at end of year |  |  | 842,780 |  |  | $ | 31.93 |
Exercisable at end of year |  |  | 252,925 |  |  | $ | 28.13 |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Weighted-average fair value per option granted during year |  | $ | 14.19 |  |  | $ | 14.85 |  |  | N/A |
Total intrinsic value of options exercised during the year |  | $ | 4,292,000 |  |  | $ | 3,461,000 |  |  | $ | 2,970,000 |
Total fair value of options vested during the year |  | $ | 2,411,000 |  |  | $ | 1,502,000 |  |  | $ | 1,565,000 |
Restricted Stock Activities of Restricted Stock Plans | The following information relates to our restricted stock:
|  | 2015 |
|  | Shares |
Unvested restricted stock outstanding at beginning of year |  |  | — |
Granted |  |  | 584,959 |
Vested |  |  | (56,406 | )
Cancelled or forfeited |  |  | — |
Unvested restricted stock outstanding at end of year |  |  | 528,553 |
Valuation Assumptions of Granted Stock Options | The following table summarizes information about these granted stock options:
|  | 2015 |  |  | 2014 |  |  | 2013 |
Weighted-average risk-free interest rate |  |  | 1.73 | % |  |  | 1.83 | % |  | N/A |
Dividend yield |  |  | — |  |  |  | — |  |  | N/A |
Weighted-average expected volatility |  |  | 38.32 | % |  |  | 45.18 | % |  | N/A |
Total weighted-average expected forfeiture rate |  |  | 0.00 | % |  |  | 7.88 | % |  | N/A |
Weighted-average expected life (years) |  |  | 5.11 |  |  |  | 5.90 |  |  | N/A |
Total weighted-average remaining vesting period in years (1) |  |  | 6.53 |  |  |  | 5.83 |  |  |  | 2.45 |
Total fair value of options granted for continuing operations (2) |  | $ | 1,853,000 |  |  | $ | 5,518,000 |  |  | N/A |
Stock-based compensation expense - Cost of sales for continuing operations (1) (3) |  | $ | 303,000 |  |  | $ | 139,000 |  |  | $ | 111,000 |
Stock-based compensation expense - SG&A for continuing operations (1) (4) |  | $ | 1,410,000 |  |  | $ | 636,000 |  |  | $ | 338,000 |
Income tax benefit for continuing operations (1) (5) |  | $ | (662,000 | ) |  | $ | (302,000 | ) |  | $ | (175,000 | )
(1) | Information relates to stock options granted since 2006.
(2) | Approximately $62,000 and $1,744,000 for 2015 and 2014, respectively is included in discontinued operations.
(3) | Approximately $126,000, $116,000, and $116,000, for 2015, 2014 and 2013, respectively is included in discontinued operations.
(4) | Approximately $508,000, $1,024,000, and $977,000, for 2015, 2014 and 2013, respectively is included in discontinued operations.
(5) | Approximately $(244,000), $(445,000), and $(426,000), for 2015, 2014 and 2013, respectively is included in discontinued operations.
Stock Options Outstanding and Exercisable |
|  |  |  |  |  |  |  | Stock Options Outstanding At December 31, 2015 |
Exercise Prices |  |  | Shares Outstanding |  |  | Weighted- Average Remaining Contractual Life in Years |  |  | Weighted- Average Exercise Price |  |  | Intrinsic Value of Shares Outstanding (A) |
$ | 7.86 |  | - | $ | 8.01 |  |  |  | 57,525 |  | (B) |  | 1.41 |  |  | $ | 7.96 |  |  |  | — |
$ | 9.69 |  | - | $ | 9.97 |  |  |  | 19,920 |  | (C) |  | 2.83 |  |  | $ | 9.70 |  |  |  | — |
$ | 29.99 |  | - | $ | 34.50 |  |  |  | 655,335 |  | (D) |  | 7.90 |  |  | $ | 33.45 |  |  |  | — |
$ | 36.78 |  | - | $ | 42.65 |  |  |  | 110,000 |  |  |  | 9.55 |  |  | $ | 39.45 |  |  |  | — |
$ | 7.86 |  | - | $ | 42.65 |  |  |  | 842,780 |  |  |  | 7.55 |  |  | $ | 31.93 |  |  | $ | — |
|  |  |  |  |  |  |  | Stock Options Exercisable At December 31, 2015 |
Exercise Prices |  |  | Shares Outstanding |  |  | Weighted- Average Remaining Contractual Life in Years |  |  | Weighted- Average Exercise Price |  |  | Intrinsic Value of Shares Outstanding (A) |
$ | 7.86 |  | - | $ | 8.01 |  |  |  | 37,525 |  | (E) |  | 1.76 |  |  | $ | 7.94 |  |  | $ | — |
$ | 9.69 |  | - | $ | 9.97 |  |  |  | 19,920 |  | (F) |  | 2.83 |  |  | $ | 9.70 |  |  |  | — |
$ | 29.99 |  | - | $ | 34.50 |  |  |  | 195,480 |  | (G) |  | 6.95 |  |  | $ | 33.88 |  |  |  | — |
$ | 36.78 |  | - | $ | 42.65 |  |  |  | — |  |  |  | — |  |  | $ | — |  |  |  | — |
$ | 7.86 |  | - | $ | 42.65 |  |  |  | 252,925 |  |  |  | 5.85 |  |  | $ | 28.13 |  |  | $ | — |
| (A) | The exercise price of all stock options exceeded the market value of our common stock as of December 31, 2015.
| (B) | Includes 40,000 options associated with discontinued operations.
| (C) | Includes 6,215 options associated with discontinued operations.
| (D) | Includes 164,810 options associated with discontinued operations.
| (E) | Includes 20,000 options associated with discontinued operations.
| (F) | Includes 6,215 options associated with discontinued operations.
| (G) | Includes 54,025 options associated with discontinued operations.

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