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Subsequent Events (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 13, 2018 | Sep. 30, 2018 | Sep. 30, 2017
Net proceeds from issuance of common stock |  | $ 642 | $ 162
Warrants Exercise [Member] | Subsequent Event [Member] |  |  |
Common stock issued exercise price per share | $ 1.79 |  |
Net proceeds from issuance of common stock | $ 991 |  |
Cashless Warrants Exercise [Member] | Subsequent Event [Member] |  |  |
Common stock issued exercise price per share | $ 1.79 |  |
Number of warrants exercised | 131,592 |  |

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