Condensed Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accrued liabilities, related party amount	$ 32	$ 544
Convertible preferred stock, par value	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	0	6,838,829
Convertible preferred stock, shares issued	0	6,838,829
Convertible preferred stock, shares outstanding	0	6,838,829
Convertible preferred stock, liquidation preference	$ 0	$ 21,709
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	0
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	9,000,000
Common stock, shares issued	41,622,962	1,257,736
Common stock, shares outstanding	41,243,137	1,046,599