Quarterly report pursuant to Section 13 or 15(d)

Condensed Balance Sheets (Unaudited) (Parenthetical)

v3.21.1
Condensed Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 46,103,606 45,752,116
Common stock, shares outstanding 46,103,606 45,752,116