Condensed Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Convertible Preferred Stock Shares Authorized	42,066,830	42,066,830
Convertible Preferred Stock Shares Issued	28,232,672	19,877,219
Convertible Preferred Stock Shares Outstanding	28,232,672	19,877,219
Convertible Preferred Stock, Liquidation Preference	$ 94,280	$ 62,984
Common Stock Par Value	$ 0.0001	$ 0.0001
Common Shares Authorized	50,500,000	50,500,000
Common Shares Issued	556,570	419,124
Common Shares Outstanding	556,570	419,124
Series A Convertible Preferred Stock [Member]
Convertible Preferred Stock Par Value	$ 0.0001	$ 0.0001
Convertible Preferred Stock Shares Authorized	711,203	711,203
Convertible Preferred Stock Shares Issued	477,297	477,297
Convertible Preferred Stock Shares Outstanding	477,297	477,297
Convertible Preferred Stock, Liquidation Preference	$ 1,067	$ 1,067
Series A-1 Convertible Preferred Stock [Member]
Convertible Preferred Stock Par Value	$ 0.0001	$ 0.0001
Convertible Preferred Stock Shares Authorized	11,898,177	11,898,177
Convertible Preferred Stock Shares Issued	7,985,305	7,537,879
Convertible Preferred Stock Shares Outstanding	7,985,305	7,537,879
Convertible Preferred Stock, Liquidation Preference	$ 18,097
Series B Convertible Preferred Stock [Member]
Convertible Preferred Stock Par Value	$ 0.0001	$ 0.0001
Convertible Preferred Stock Shares Authorized	29,457,450	29,457,450
Convertible Preferred Stock Shares Issued	19,770,070	11,862,043
Convertible Preferred Stock Shares Outstanding	19,770,070	11,862,043
Convertible Preferred Stock, Liquidation Preference	$ 75,116	$ 45,070