|9 Months Ended|
Sep. 30, 2018
|Payables and Accruals [Abstract]|
The major classes of accrued liabilities at September 30, 2018 and December 31, 2017 are summarized as follows:
The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef