Revenue - Additional Information (Details) - USD ($) |
1 Months Ended | 3 Months Ended | |
|---|---|---|---|
Feb. 28, 2018 |
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 0 | $ 320,000 | |
| SBIR Grants | |||
| Disaggregation of Revenue [Line Items] | |||
| Grants from the National Institutes of Health | $ 2,800,000 | 2,800,000 | |
| Revenue | $ 0 | $ 300,000 | |