Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
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)	11,916,943	1,110,347
Common stock, outstanding (in shares)	11,799,720	993,124
Treasury stock, shares (in shares)	117,223	117,223
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