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Accounts payable and accrued liabilities (Details) - USD ($)
$ in Thousands
Aug. 31, 2019
Nov. 30, 2018
Accounts payable and accrued liabilities    
Trade accounts payable $ 3,271 $ 400
Accrued liabilities 901 503
Accrued salaries and vacation 340 746
Due to related parties 0 8
Accounts payable and accrued liabilities $ 4,512 $ 1,657