Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

16. Cash and Cash Equivalents (Tables)

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16. Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2017
Cash and cash equivalents [abstract]  
Schedule of cash and cash equivalents

Cash and cash equivalents at December 31 is comprised of the following:

 

    2017     2016     2015  
Cash at bank   $ 57,869     $ 54,920     $ 134,451  
Cash on hand     274       473       123  
Total cash and cash equivalent   $ 58,143     $ 55,393     $ 134,574