Leases (Details) - Burnaby, British Columbia [Member]	6 Months Ended
	Jun. 30, 2019 Lease
Lessee Lease Description [Line Items]
Number of operating leases	1
Operating lease term	120 months
Operating lease expiration date	Mar. 31, 2022
Operating lease, description	The Company has one operating lease for research laboratories and office space in Burnaby, British Columbia for a 120-month term from April 1, 2012 to March 31, 2022.