Stockholders' Equity (Details 1) |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2018
$ / shares
shares
| ||||
Summary of outstanding warrants to purchase common stock | ||||
Shares | 1,116,368 | |||
August 2016 Prefunded Warrants [Member] | ||||
Summary of outstanding warrants to purchase common stock | ||||
Issue Date | Aug. 16, 2016 | [1] | ||
Exercise Price | $ / shares | $ 10 | [1] | ||
Shares | 360,000 | [1] | ||
Expiration Date | Feb. 16, 2022 | [1] | ||
August 2016 Purchase Warrants [Member] | ||||
Summary of outstanding warrants to purchase common stock | ||||
Issue Date | Aug. 17, 2016 | |||
Exercise Price | $ / shares | $ 11.20 | |||
Shares | 431,368 | |||
Expiration Date | Feb. 17, 2022 | |||
August 2017 Purchase Warrants [Member] | ||||
Summary of outstanding warrants to purchase common stock | ||||
Issue Date | Aug. 08, 2017 | |||
Exercise Price | $ / shares | $ 20.00 | |||
Shares | 325,000 | |||
Expiration Date | Aug. 08, 2020 | |||
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