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Subsequent Event - Additional Information (Details) - USD ($) | 2 Months Ended | 3 Months Ended
--- | --- | ---
Nov. 30, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020
Subsequent Event [Line Items] |  |  |  |  |  |
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs |  |  |  | $ 16,234,000 | $ 3,389,000 | $ 686,000
2020 Sales Agreement |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Issuance of common stock in connection with at market offering (in shares) |  | 0 | 0 | 7,948,505 |  |
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs |  |  |  | $ 16,234,000 |  |
2020 Sales Agreement | Scenario Forecast [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Issuance of common stock in connection with at market offering (in shares) | 2,611,173 |  |  |  |  |
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs | $ 4,132,000 |  |  |  |  |

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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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