Accounts receivable (Details) - USD ($) $ in Thousands	Feb. 28, 2021	Nov. 30, 2020
Accounts receivable
GST input tax credits	$ 23	$ 15
Ambler Metals LLC	1	114
Accounts receivable	$ 24	$ 129

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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