Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 100,000,000 100,000,000
Common stock, issued (in shares) 56,889,876 38,932,437
Common stock, outstanding (in shares) 56,889,876 38,932,437