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INCOME TAX
9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]  
INCOME TAX
12.  INCOME TAX

In April 2017, we received a notice of reassessment related to our ongoing Canadian income tax audit. We do not believe it is more likely than not that we owe the taxes that have been reassessed. Therefore, we filed an appeal in June 2017 and have not accrued a liability related to this matter.

Because the Canada Revenue Agency considers us a large corporation, we were required to pay half of the reassessment, or $400, which is recorded in other long-term assets on our balance sheet.

We do not anticipate receiving a decision on our appeal in the near future.