XML 43 R32.htm IDEA: XBRL DOCUMENT v3.23.2
Note 6 - Other Assets - Carrying Amounts of Other Assets (Details) - USD ($)
$ in Thousands
May 31, 2023
Nov. 30, 2022
Statement [Line Items]    
Interest receivable $ 65 $ 62
Prepaid expenses 611 1,298
Other Assets, Current 1,371 2,235
Other long-term assets:    
Marketable equity securities 2,209 1,845
Office equipment 30 19
Other Assets, Noncurrent 3,088 2,803
Other Noncurrent Assets [Member]    
Other long-term assets:    
Right-of-use assets 849 939
Nonrelated Party [Member]    
Statement [Line Items]    
Accounts Receivable, after Allowance for Credit Loss, Current 348 301
Related Party [Member]    
Statement [Line Items]    
Accounts Receivable, after Allowance for Credit Loss, Current $ 347 $ 574