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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock shares authorized (in shares) 130,000,000 130,000,000
Common stock shares issued (in shares) 52,624,084 52,533,348
Common stock shares outstanding (in shares) 52,624,084 52,533,348