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v3.3.1.900

Stock-Based Compensation (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Summary the stock option transactions |  |  |  |
Forfeited/canceled/expired | (59,000) |  |  |
Stock Option Plan [Member] |  |  |  |
Summary the stock option transactions |  |  |  |
Number of Options Outstanding | 213,170 | 233,787 | 260,660 |
Granted | 0 | 0 | 0 |
Exercised | (125,354) | (7,294) | (8,910) |
Forfeited/canceled/expired | (58,781) | (13,323) | (17,963) |
Number of Options Outstanding | 29,035 | 213,170 | 233,787 | 260,660
Number of Options Vested and Exercisable | 29,035 |  |  |
Weighted Average Exercise Price, Outstanding | $ 31.79 | $ 33.38 | $ 34.69 |
Weighted Average Exercise Price, Granted | 0 | 0 | 0 |
Weighted Average Exercise Price, Exercised | 27.09 | 34.8 | 29.41 |
Weighted Average Exercise Price, Forfeited/canceled/expired | 43.47 | 57.93 | 54.35 |
Weighted Average Exercise Price, Outstanding | 28.47 | $ 31.79 | $ 33.38 | $ 34.69
Weighted Average Exercise Price Vested and Exercisable | $ 28.47 |  |  |
Weighted Average Remaining Contractual Term (Years) | 1 year 4 months 24 days | 1 year 2 months 12 days | 2 years 1 month 6 days | 3 years
Weighted Average Remaining Contractual Term (Years) Vested and Exercisable | 1 year 4 months 24 days |  |  |
Aggregate Intrinsic Value Outstanding | $ 2,519,147 | $ 4,058,035 | $ 1,253,039 |
Aggregate Intrinsic Value Outstanding | 289,769 | $ 2,519,147 | $ 4,058,035 | $ 1,253,039
Aggregate Intrinsic Value Vested and Exercisable | $ 289,769 |  |  |

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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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