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Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jan. 31, 2014
NET INCOME $ 20,562 $ 15,059 $ 9,612
Other comprehensive loss:      
Foreign currency translation adjustment, net of income tax (recovery) expense of ($797) for the year ended January 31, 2016 (January 31, 2015 – $445; January 31, 2014 – $562) (9,640) (24,123) (2,958)
Unrealized loss on marketable securities (Note 4) (28)    
Total other comprehensive loss (9,668) (24,123) (2,958)
COMPREHENSIVE INCOME (LOSS) $ 10,894 $ (9,064) $ 6,654