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

Amounts receivable (Schedule of Amounts Receivable) (Details)

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Amounts receivable (Schedule of Amounts Receivable) (Details) - CAD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Trade and other current receivables [abstract]
Amounts due from government assistance and government loans $ 7
Sales tax receivable 406 557
Revenue from subcontracts 45 33
Other 394 740
Amounts receivable (note 5) $ 845 $ 1,337