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Note 6 - Other Assets - Carrying Amounts of Other Assets (Details) - USD ($)
$ in Thousands
Feb. 28, 2022
Nov. 30, 2021
Accounts and interest receivable $ 351 $ 302
Prepaid expenses 959 25
Other Assets, Current 1,310 327
Marketable equity securities 2,345 1,830
Office equipment 25 27
Other Assets, Noncurrent, Total 2,714 2,253
Other Noncurrent Assets [Member]    
Right-of-use assets $ 344 $ 396