Annual report pursuant to Section 13 and 15(d)

Note 6 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual)

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Note 6 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($)
$ in Thousands
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2020
Accounts Receivable, after Allowance for Credit Loss, Current, Total $ 5,915 $ 1,658 $ 800
Accounts Receivable, Allowance for Credit Loss, Ending Balance 10 10  
Maximum [Member]      
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 20 $ 20 $ 20