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Equity (Details 1) - USD ($) |  | 12 Months Ended
--- | --- | ---
Oct. 07, 2013 | Dec. 31, 2019 | Dec. 31, 2018
Option Indexed to Issuer's Equity [Line Items] |  |  |  |
Granted |  |  |  | 275,000
Exercised |  | (94,000) |  |
Employee Stock Option [Member] |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |
Outstanding, Beginning Balance |  |  | 881,867 | 1,016,867
Forfeited |  |  | (87,000) | (84,000)
Exercised |  |  |  | (51,000)
Outstanding, Ending Balance |  |  | 794,867 | 881,867
Weighted average exercise price, Beginning Balance |  |  | $ 2.34 | $ 2.26
Weighted average exercise price, Exercised |  |  |  |
Weighted average exercise price, Ending Balance |  |  | $ 2.40 | $ 2.34
Aggregate intrinsic value, Beginning Balance | [1] |  |  |
Aggregate intrinsic value, Ending Balance | [1] |  |  |
[1] | The intrinsic value of the stock options at December 31, 2019 is the amount by which the market value of the Company's common stock of $0.39 as of December 31, 2019 exceeds the exercise price of the options.

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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://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=116856206&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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=116856206&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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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