Quarterly report pursuant to Section 13 or 15(d)

CONDENSED BALANCE SHEETS (Parenthetical)

v3.21.2
CONDENSED BALANCE SHEETS (Parenthetical)
Sep. 18, 2020
$ / shares
shares
Jun. 30, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Statement of Financial Position [Abstract]      
Preferred stock, par value (in dollars per share) | $ / shares   $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares)   5,000,000 5,000,000
Preferred stock, shares outstanding (in shares)   2,218,732 2,218,732
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001 [1] $ 0.001 [1]
Common stock, shares authorized (in shares) 135,000,000 135,000,000 [1] 135,000,000 [1]
Common stock, shares outstanding (in shares) 44,663,990 66,164,399 [1] 45,908,779 [1]
Reverse stock split ratio 0.1    
[1] Adjusted for the 1-for-10 reverse stock split. See Note 5.