v3.19.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, authorized shares 125,000,000 125,000,000
Common stock, issued shares 47,501,363 46,052,802
Common stock, outstanding shares 47,501,363 46,052,802