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Net Income (Loss) Per Share (Details Textual) - shares | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Non-employees [Member] |  |
Net Income (Loss) Per Share (Textual) |  |
Warrants to purchase shares of common stock | 1,155,059 |
Non-Director [Member] |  |
Net Income (Loss) Per Share (Textual) |  |
Warrants to purchase shares of common stock | 22,364 |
RSUs [Member] |  |
Net Income (Loss) Per Share (Textual) |  |
Warrants to purchase shares of common stock | 86,250 |
Stock options [Member] |  |
Net Income (Loss) Per Share (Textual) |  |
Warrants to purchase shares of common stock |  | 938,392
Warrants [Member] |  |
Net Income (Loss) Per Share (Textual) |  |
Warrants to purchase shares of common stock |  | 86,250

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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