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

Commitments (Schedule of Minimum Annual Payments Under Long-Term Lease Agreements for Office Premises and Equipment) (Details)

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Commitments (Schedule of Minimum Annual Payments Under Long-Term Lease Agreements for Office Premises and Equipment) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
CAD ($)
2019 [Member]  
Disclosure of finance lease and operating lease by lessee [line items]  
Minimum annual payments under long-term lease agreements for office premises and equipment expiring over the next five years $ 257
2020 [Member]  
Disclosure of finance lease and operating lease by lessee [line items]  
Minimum annual payments under long-term lease agreements for office premises and equipment expiring over the next five years 253
2021 [Member]  
Disclosure of finance lease and operating lease by lessee [line items]  
Minimum annual payments under long-term lease agreements for office premises and equipment expiring over the next five years 253
2022 [Member]  
Disclosure of finance lease and operating lease by lessee [line items]  
Minimum annual payments under long-term lease agreements for office premises and equipment expiring over the next five years 251
2023 [Member]  
Disclosure of finance lease and operating lease by lessee [line items]  
Minimum annual payments under long-term lease agreements for office premises and equipment expiring over the next five years $ 247