Stockholders' Deficit - Reserved Common Stock (Details)	Jun. 30, 2021 shares
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	7,192,114
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)	7,032,699