Warrants - Additional Information (Details) - $ / shares |
Sep. 30, 2019 |
Jan. 31, 2019 |
Jan. 26, 2019 |
Jan. 14, 2019 |
Jan. 09, 2019 |
---|---|---|---|---|---|
Class of Warrant or Right [Line Items] | |||||
Warrants, number of shares of common stock with right to purchase (in shares) | 31,111 | 31,111 | |||
Warrants, exercise price (usd per share) | $ 104.18 | $ 7.43 | $ 7.43 | ||
H.C. Wainwright, underwriter | |||||
Class of Warrant or Right [Line Items] | |||||
Warrants, number of shares of common stock with right to purchase (in shares) | 35,507 | 35,507 | 444,444 | ||
Warrants, exercise price (usd per share) | $ 7.59 | $ 7.59 | $ 6.75 | ||
2017 Offering | |||||
Class of Warrant or Right [Line Items] | |||||
Warrants, number of shares of common stock with right to purchase (in shares) | 122,500 |
X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|