Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited)

v3.19.2
Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - $ / shares
Jun. 30, 2019
Dec. 31, 2018
Statement Of Financial Position [Abstract]    
Ordinary shares, par value $ 0.01 $ 0.01
Ordinary shares, shares authorized 50,000,000 50,000,000
Ordinary shares, shares issued 14,407,202 14,352,046