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v3.20.2

Subsequent Events (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Apr. 22, 2020 | Nov. 11, 2020 | Sep. 30, 2020 | Sep. 30, 2020
Purchase Agreement |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issuance of common stock (in shares) | 285,714 |  |  | 3,882,160
Purchase Agreement | Lincoln Park |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issuance of common stock (in shares) |  |  | 3,000,000.0 |
Aggregate net proceeds on sales of shares of common stock |  |  | $ 3,300 |
Subsequent Event | At-the-Market Equity Offerings |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issuance of common stock (in shares) |  | 3,987,485 |  |
Aggregate net proceeds on sales of shares of common stock |  | $ 4,100 |  |
Subsequent Event | Purchase Agreement | Lincoln Park |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issuance of common stock (in shares) |  | 400,000 |  |
Aggregate net proceeds on sales of shares of common stock |  | $ 400 |  |

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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