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Receivables and Other Current Assets - Schedule of Receivables and Other Current Assets (Details) - CAD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Trade and other current receivables [abstract]    
Sales taxes receivable $ 61 $ 143
Interest receivable 12 16
Other current assets 1,066 83
Total $ 1,139 $ 242