Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Lease obligation (Details)

Lease obligation (Details) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of finance lease and operating lease by lessee [abstract]    
Discounted incremental borrowing rate 11.00%  
Right of use assets in property, plant and equipment $ 1,417