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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] | The following securities are excluded from the calculation of weighted average dilutive common shares because their inclusion would have been anti-dilutive:
|  | December 31, |
|  | 2017 |  | 2016 |
Options |  |  | 1,684,416 |  |  | 786,667 |
Warrant |  |  | 61,875 |  |  | - |
Series A Convertible Preferred Stock |  |  | 2,932,431 |  |  | 3,232,294 |
Series A-2 Convertible Preferred Stock |  |  | 788,827 |  |  | 788,827 |
Series B Convertible Preferred Stock |  |  | 918,983 |  |  | - |
Total potentially dilutive shares |  |  | 6,386,532 |  |  | 4,807,787 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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