XML 21 R3.htm IDEA: XBRL DOCUMENT v3.20.2
Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001  
Common stock, authorized shares (in shares) 125,000,000 125,000,000
Common stock, issued shares (in shares) 67,240,679 61,935,870