Stockholders' Deficit - Reserved Common Stock (Details)	Dec. 31, 2020 shares
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	5,201,940
Warrant
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	159,415
Stock options
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	5,042,525