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Stock-Based Compensation Plans (Details Narrative) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) Years $ / shares shares | Dec. 31, 2017 USD ($)
Number of stock option plans | 2 |
Options expire from date of grant | 10 years |
Exercisable installments | Immediate or 20% or 25% |
Shares available for future issuance | shares | 490,310 |
Dividend yield | 0.00% |
Expected minimum volatility | 29.00% |
Expected maximum volatility | 43.00% |
Risk-free interest rate minimum | 0.60% |
Risk-free interest rate maximum | 2.90% |
Expected life minimum | Years | 3.0 |
Expecited life maximum | Years | 7.0 |
Aggregate intrinsic value of exercisable in-the-money options | $ 1,727 |
Aggregate intrinsic value of outstanding in-the-money options | $ 1,849 |
Market close price | $ / shares | $ 46.01 |
Gains realized by option holders | $ 1,977 |
Total unrecognized compensation cost of options granted but not yet vested | $ 403 |
Weighted average period for compensation to be recognized | Years | 4.3 |
Modification stock compensation expense |  | $ 41
Stock compensation expense for the vesting of option grants due to asset disposition | $ 402 |
Patriot Transportation |  |
Gains realized by option holders | $ 756 |
Modification stock compensation expense |  | $ 150

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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