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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Sep. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock - par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock - shares authorized (in shares) 200,000,000 200,000,000
Common stock - shares issued (in shares) 51,596,098 50,314,328
Common stock - shares outstanding (in shares) 51,596,098 50,314,328