Stockholders' Deficit - Reserved Common Stock (Details)	Mar. 31, 2021 shares
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	5,198,440
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)	5,039,025