Note 10 - Commitments and Contingencies	3 Months Ended
Feb. 29, 2020
Notes to Financial Statements
Legal Matters and Contingencies [Text Block]	10. Commitments and Contingencies We are involved in various legal and environmental matters, which arise in the normal course of business. Although the final outcome of these matters cannot be determined, based on the facts presently known, we believe that the final resolution of these matters will not have a material adverse effect on our financial position or future results of operations.

The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-URI http://asc.fasb.org/topic&trid=2127136

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