Quarterly report pursuant to Section 13 or 15(d)

Statement of Stockholders' Equity (Parenthetical)

v3.21.2
Statement of Stockholders' Equity (Parenthetical) - $ / shares
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Common stock, par value (in dollars per share) $ 0.001          
Common Stock            
Common stock, par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001