Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Redeemable convertible preferred stock:
Preferred stock, shares authorized (in shares)		55,835,833
Preferred stock, shares issued (in shares)		55,835,833
Preferred stock, shares outstanding (in shares)		55,835,833
Stockholders' equity (deficit):
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	200,000,000	95,583,558
Common stock, issued (in shares)	11,921,388	1,110,347
Common stock, outstanding (in shares)	11,804,165	993,124
Treasury stock, shares (in shares)	117,223	117,223
Preferred stock, shares authorized (in shares)		17,310,609
Preferred stock, shares issued (in shares)		17,210,609
Preferred stock, shares outstanding (in shares)	0	17,210,609
Series B Preferred Stock [Member]
Redeemable convertible preferred stock:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	0	13,344,349
Preferred stock, shares issued (in shares)	0	13,344,349
Preferred stock, shares outstanding (in shares)	0	13,344,349
Series C Preferred Stock [Member]
Redeemable convertible preferred stock:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	0	42,491,484
Preferred stock, shares issued (in shares)	0	42,491,484
Preferred stock, shares outstanding (in shares)	0	42,491,484
Series A Preferred Stock [Member]
Stockholders' equity (deficit):
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	0	17,310,609
Preferred stock, shares issued (in shares)	0	17,210,609
Preferred stock, shares outstanding (in shares)	0	17,210,609