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Organization and Description of Business (Details Textual) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Feb. 27, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Organization and Description of Business [Line Items] |  |  |
Accumulated deficit |  | $ (50,011,000) | $ (40,331,000)
Subsequent Event [Member] |  |  |
Organization and Description of Business [Line Items] |  |  |
Proceeds from Issuance of Common Stock | $ 11,900,000 |  |

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