Note 8 - Other Liabilities - Current and Long Term Liabilities (Details) - USD ($) $ in Thousands	Aug. 31, 2025	May 31, 2025	Nov. 30, 2024
Remediation liabilities		$ 159	$ 244
Lease obligations		176	169
Other Liabilities, Current	$ 335	335	413
Remediation liabilities		325	400
Lease obligations		637	761
Other Liabilities, Noncurrent	$ 962	$ 962	$ 1,161

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

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