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Equity Based Plans (Tables) | 12 Months Ended
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Dec. 31, 2019
Equity Based Plans [Abstract] |
Cumulative Summary of Equity Plans | A cumulative summary of equity plans as of December 31, 2019 follows:
|  | Authorized |  |  | Restricted Stock Issued |  |  | Outstanding Stock Options |  |  | Stock Options Exercised |  |  | Stock Options Exercisable |  |  | Shares Available for Grant |
Equity Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended 1999 Plan |  |  | 600,000 |  |  |  | 416,402 |  |  |  | - |  |  |  | 139,791 |  |  |  | - |  |  |  | 7,775 |
Amended 2003 Plan |  |  | 2,100,000 |  |  |  | 1,019,995 |  |  |  | - |  |  |  | 778,300 |  |  |  | - |  |  |  | 301,705 |
|  |  | 2,700,000 |  |  |  | 1,436,397 |  |  |  | - |  |  |  | 918,091 |  |  |  | - |  |  |  | 309,480 |
Restricted Stock Granted and Cancelled | During 2019, 2018 and 2017, the Company granted the following shares of restricted stock to directors, officers and employees pursuant to its equity plans as follows:
Year Granted |  | Number of Shares |  |  | Weighted Average Fair Value Per Share |
2019 |  |  | 91,682 |  |  | $ | 104.85 |
2018 |  |  | 93,801 |  |  | $ | 78.63 |
2017 |  |  | 79,475 |  |  | $ | 62.19 |
During 2019, 2018 and 2017, the following shares were cancelled due to employee terminations prior to restrictions lapsing:
Year Cancelled |  | Number of Shares |  |  | Weighted Average Fair Value Per Share |
2019 |  |  | 1,578 |  |  | $ | 87.88 |
2018 |  |  | 3,867 |  |  | $ | 59.51 |
2017 |  |  | 2,875 |  |  | $ | 63.12 |

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