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Stockholders' Equity - Schedule of Exercise Prices of Common Stock Options (Details) - $ / shares | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Number of Shares, Outstanding | 3,883,003 | 2,176,637
Number of Shares, Exercisable | 937,271 |
Exercise Price Range One [Member] |  |
Exercise price upper range | $ 1.01 |
Number of Shares, Outstanding | 25,000 |
Number of Shares, Exercisable | 25,000 |
Exercise Price Range Two [Member] |  |
Exercise price lower range | $ 1.01 |
Exercise price upper range | $ 1.25 |
Number of Shares, Outstanding | 1,766,753 |
Number of Shares, Exercisable | 717,354 |
Exercise Price Range Three [Member] |  |
Exercise price lower range | $ 1.26 |
Exercise price upper range | $ 1.50 |
Number of Shares, Outstanding | 125,000 |
Number of Shares, Exercisable | 1,949 |
Exercise Price Range Four [Member] |  |
Exercise price lower range | $ 1.51 |
Exercise price upper range | $ 1.75 |
Number of Shares, Outstanding | 665,000 |
Number of Shares, Exercisable | 105,000 |
Exercise Price Range Five [Member] |  |
Exercise price lower range | $ 1.76 |
Exercise price upper range | $ 2.00 |
Number of Shares, Outstanding | 1,055,000 |
Number of Shares, Exercisable | 87,968 |
Exercise Price Range Six [Member] |  |
Exercise price lower range | $ 2.01 |
Exercise price upper range | $ 2.25 |
Number of Shares, Outstanding | 205,000 |
Number of Shares, Exercisable |  |
Exercise Price Range Seven [Member] |  |
Exercise price upper range | $ 2.25 |
Number of Shares, Outstanding | 41,250 |
Number of Shares, Exercisable |  |

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- Definition Number of Shares, Outstanding at beginning of year. + References No definition available. + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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