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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Schedule of Stock Options Activity | A summary of the combined activity in the 2001 ISOP, the 2012 Equity Plan, and the 2008 Director SOP for the years ended December 31, 2017, 2016 and 2015 is as follows:
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | Shares |  |  | Price (1) |  |  | Shares |  |  | Price (1) |  |  | Shares |  |  | Price (1) |
Outstanding, beginning of year |  |  | 390,525 |  |  | $ | 20.64 |  |  |  | 390,525 |  |  | $ | 20.64 |  |  |  | 2,276,079 |  |  | $ | 3.78 |
Granted |  |  | 170,000 |  |  |  | 1.00 |  |  |  | - |  |  |  | - |  |  |  | 340,711 |  |  |  | 1.50 |
Forfeited |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Expired |  |  | (170,838 | ) |  |  | 29.82 |  |  |  | - |  |  |  | - |  |  |  | (273,768 | ) |  |  | 3.86 |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Outstanding, end of year |  |  | 389,687 |  |  | $ | 8.05 |  |  |  | 390,525 |  |  | $ | 20.64 |  |  |  | 2,343,022 |  |  | $ | 3.44 |
Shares restated after 6 to 1 split |  |  | 389,687 |  |  | $ | 8.05 |  |  |  | 390,525 |  |  | $ | 20.64 |  |  |  | 390,525 |  |  | $ | 20.64 |
Exercisable, end of year |  |  | 274,132 |  |  | $ | 10.79 |  |  |  | 376,084 |  |  | $ | 20.79 |  |  |  | 2,194,022 |  |  | $ | 3.53 |
Shares restated after 6 to 1 split |  |  | - |  |  | $ | - |  |  |  | - |  |  | $ | - |  |  |  | 365,693 |  |  | $ | 21.17 |
| (1) | Represents the weighted average price.
Schedule of Stock Options Outstanding and Exercisable | The following table summarizes information for stock options outstanding and for stock options exercisable at December 31, 2017:
Options Outstanding |  | Options Exercisable |
Number |  | Exercise Price |  |  | Remaining |  |  | Number |  |  | Weighted |
of |  | Range |  |  | Weighted |  |  | Contractual |  |  | of |  |  | Average |
Shares |  | Low |  |  | High |  |  | Average |  |  | Term (years) |  |  | Shares |  |  | Exercise Price |
56,786 |  | $ | 9.00 |  |  | $ | 9.00 |  |  | $ | 9.00 |  |  |  | 7.0 |  |  |  | 51,231 |  |  | $ | 9.00 |
49,504 |  |  | 12.48 |  |  |  | 12.48 |  |  |  | 12.48 |  |  |  | 5.5 |  |  |  | 49,504 |  |  |  | 12.48 |
98,396 |  |  | 13.92 |  |  |  | 17.10 |  |  |  | 15.01 |  |  |  | 1.8 |  |  |  | 98,396 |  |  |  | 15.01 |
15,001 |  |  | 22.62 |  |  |  | 30.24 |  |  |  | 24.03 |  |  |  | 5.5 |  |  |  | 15,001 |  |  |  | 24.03 |
60,000 |  |  | 0.72 |  |  |  | 0.72 |  |  |  | 0.72 |  |  |  | 9.6 |  |  |  | 60,000 |  |  |  | 0.72 |
110,000 |  |  | 1.16 |  |  |  | 1.16 |  |  |  | 1.16 |  |  |  | 9.9 |  |  |  | - |  |  |  | - |
389,687 |  | $ | 0.72 |  |  | $ | 30.24 |  |  | $ | 8.05 |  |  |  | 6.7 |  |  |  | 274,132 |  |  | $ | 10.79 |
Schedule of Assumptions Fair Value of Options | . In estimating the fair value of options, the Company used the Black-Scholes option-pricing model with the following weighted average assumptions:
|  | 2017 |  |  | 2016 |
Expected lives (in years) |  |  | 10.0 |  |  |  | - |
Risk-free interest rate |  |  | 2.33 | % |  |  | - |
Expected volatility |  |  | 80.0 | % |  |  | - |
Expected dividend yield |  |  | 0.00 | % |  |  | - |

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- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=96867065&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&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 (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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