|6 Months Ended|
Jun. 30, 2020
|Payables and Accruals [Abstract]|
8. Accrued Liabilities
As of June 30, 2020 and December 31, 2019, accrued liabilities consisted of the following:
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