Property and Equipment - Composition of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 13,392 | $ 10,350 |
| Less accumulated depreciation | (2,600) | (2,126) |
| Property and equipment, net | 10,792 | 8,224 |
| Lab equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 11,835 | 8,994 |
| Computer hardware, software and telephone | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 140 | 140 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 107 | 107 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 67 | 67 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 1,243 | $ 1,042 |