Note 13 - Net Change in Operating Assets and Liabilities - Net Change in Operating Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Other assets			$ (684)	$ 1,403
Accounts payable and accrued liabilities			144	(286)
Accrued payroll and related benefits			(860)	(473)
Remediation liabilities			(106)	0
Increase (Decrease) in Operating Capital, Total	$ 750	$ 984	$ (1,506)	$ 644

Represents the changes in remediation liabilities.

No definition available.

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- Definition

The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

+ References

+ Details

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- Definition

The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

+ References

+ Details

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- Definition

Amount of increase (decrease) in operating assets classified as other.

+ References

+ Details

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