Net Loss per Share (Details Textual) - $ / shares |
3 Months Ended | |||
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Mar. 31, 2018 |
Jan. 31, 2018 |
Jan. 09, 2018 |
Aug. 31, 2017 |
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Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 1.10 | $ 1.10 | $ 1.50 | |
Warrant [Member] | Minimum [Member] | ||||
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 1.10 | |||
Warrant [Member] | Maximum [Member] | ||||
Class of Warrant or Right, Exercise Price of Warrants or Rights | 7.43 | |||
Employee Stock Option [Member] | Minimum [Member] | ||||
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | 1.30 | |||
Employee Stock Option [Member] | Maximum [Member] | ||||
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ 4.50 |
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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