Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, par value per share $ 0.0002 $ 0.0002
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 34,093,067 32,492,144
Common stock, shares outstanding 34,093,067 32,492,144