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Income Per Share - Schedule of Weighted Average Number of Common Shares Issued (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Earnings per share [abstract]    
Net income (loss) attributable to owners of the Company $ (5,145) $ 3,822
Weighted average number of common shares outstanding (thousands) 44,357 39,144
Basic income (loss) per share $ (0.11) $ 0.10