Stockholders' Equity (Details 1) |
9 Months Ended |
|---|---|
|
Sep. 30, 2017
$ / shares
shares
| |
| Class of Warrant or Right [Line Items] | |
| Exercise Price per Share | $ / shares | $ 8.45 |
| Shares Subject to purchase | shares | 2,340,828 |
| Warrant 1 [Member] | |
| Class of Warrant or Right [Line Items] | |
| Exercise Price per Share | $ / shares | $ 7.12 |
| Expiration Date | May 18, 2018 |
| Shares Subject to purchase | shares | 702,247 |
| Warrant 2 [Member] | |
| Class of Warrant or Right [Line Items] | |
| Exercise Price per Share | $ / shares | $ 9.00 |
| Expiration Date | May 18, 2019 |
| Shares Subject to purchase | shares | 1,605,131 |
| Warrant 3 [Member] | |
| Class of Warrant or Right [Line Items] | |
| Exercise Price per Share | $ / shares | $ 10.00 |
| Expiration Date | Nov. 21, 2019 |
| Shares Subject to purchase | shares | 33,450 |