Net Loss per Share (Details Textual) - $ / shares |
1 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
May 25, 2018 |
Jun. 30, 2018 |
Jan. 31, 2018 |
Jan. 09, 2018 |
Aug. 31, 2017 |
|
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ 0.35 | $ 0.35 | |||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | 0.31 | $ 1.10 | $ 1.10 | $ 1.50 | |
| Warrant [Member] | Minimum [Member] | |||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | 0.31 | ||||
| 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 | 0.31 | ||||
| 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 |