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Stock Warrants (Details Textual) - Warrant [Member] - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 27, 2014 | Dec. 31, 2017 | Dec. 31, 2016
Stock Warrants (Textual) |  |  |
Issuance of common stock and warrants | 1,562,500 |  |
Warrants to purchase shares of common stock | 781,250 |  |
Exercise price | $ 1.70 | $ 2.00 |
Warrants exercisable term | 5 years |  |
Fair value of common stock sold | $ 780,000 | $ 35,191 |
Aggregate percentage of common stock sold under offering |  | 2.50% |
Aggregate number of shares of common stock sold |  | 39,062 |
Warrants expiration date | Sep. 02, 2019 | Jun. 26, 2019 |
Aggregated intrinsic value of warrants outstanding and exercisable |  |  |

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