Financial instruments - Narrative (Details)	3 Months Ended
Feb. 28, 2021 USD ($)	Feb. 28, 2021 CAD ($)	Nov. 30, 2020 USD ($)
Accounts receivable	$ 24,000		$ 129,000
Change in interest rate	1.00%	1.00%
Currency risk
Cash		$ 78,000
Accounts receivable		29,000
Accounts payable		$ 413,000
Change in foreign exchange rate	10.00%	10.00%
Foreign exchange (gain) loss	$ 24,000

Represents the change in foreign exchange rate.

No definition available.

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- Definition

Represents the change in interest rate.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

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- Definition

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.

+ References

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

+ References

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