Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Stock Transactions, Parenthetical Disclosures [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 51,325,493 50,824,355
Common stock, shares outstanding (in shares) 47,913,115 47,411,977