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Shareholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2018
Stockholders' Equity Note [Abstract] |
Schedule of Stock Options Activity | Presented below is information about stock options outstanding and exercisable as of September 30, 2018 and December 31, 2017:
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | Shares |  |  | Price (1) |  |  | Shares |  |  | Price (1) |
Stock options outstanding |  |  | 320,462 |  |  | $ | 6.52 |  |  |  | 389,687 |  |  | $ | 8.05 |
Stock options exercisable |  |  | 210,462 |  |  | $ | 9.32 |  |  |  | 274,132 |  |  | $ | 10.79 |
| (1) | Represents the weighted average price.
Schedule of Stock Options Outstanding and Exercisable | The following table summarizes information for stock options outstanding and exercisable at September 30, 2018:
Options Outstanding |  |  | Options Exercisable |
|  |  | Exercise Price |  |  |  |  |  |  |  |  | Weighted |
Number |  |  | Range |  |  |  |  |  | Remaining |  |  | Number |  |  | Average |
of Shares |  |  | Low |  |  | High |  |  | Weighted Average |  |  | Contractual Term (years) |  |  | of Shares |  |  | Exercise Price |
| 56,786 |  |  | $ | 9.00 |  |  | $ | 9.00 |  |  | $ | 9.00 |  |  |  | 6.3 |  |  |  | 56,786 |  |  | $ | 9.00 |
| 49,504 |  |  |  | 12.48 |  |  |  | 12.48 |  |  |  | 12.48 |  |  |  | 4.8 |  |  |  | 49,504 |  |  |  | 12.48 |
| 29,171 |  |  |  | 13.92 |  |  |  | 17.10 |  |  |  | 14.74 |  |  |  | 3.7 |  |  |  | 29,171 |  |  |  | 14.74 |
| 15,001 |  |  |  | 22.62 |  |  |  | 30.24 |  |  |  | 24.03 |  |  |  | 4.8 |  |  |  | 15,001 |  |  |  | 24.03 |
| 60,000 |  |  |  | 0.72 |  |  |  | 0.72 |  |  |  | 0.72 |  |  |  | 8.9 |  |  |  | 60,000 |  |  |  | 0.72 |
| 110,000 |  |  |  | 1.16 |  |  |  | 1.16 |  |  |  | 1.16 |  |  |  | 9.1 |  |  |  | - |  |  |  | - |
| 320,462 |  |  | $ | 0.72 |  |  | $ | 30.24 |  |  | $ | 6.52 |  |  |  | 7.2 |  |  |  | 210,462 |  |  | $ | 9.32 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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