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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - $ / shares
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]      
Preferred stock, par value per share $ 0.0001 $ 0.0001 $ 0.0001
Preferred stock, shares authorized 5,000,000 5,000,000 5,000,000
Preferred stock, shares issued 0 0 0
Preferred stock, shares outstanding 0 0 0
Common stock, par value per share $ 0.0001 $ 0.0001 $ 0.0001
Common stock, shares authorized 45,000,000 45,000,000 45,000,000
Common stock, shares issued 12,726,911 11,429,661 11,159,661
Common stock, shares outstanding 12,726,911 11,429,661 11,159,661