|12 Months Ended|
Dec. 31, 2017
|Disclosure of rental payments||
We are committed to rental payments (excluding our portion of operating costs and rental taxes) under the terms of our office leases. Annual payments under the terms of these leases are as follows:
The disclosure of a maturity analysis of operating lease payments. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef