Note 6 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) |
12 Months Ended | |
|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Extended Product Warranty, Term (Year) | 3 years | 3 years |
| X | ||||||||||
- Definition Represents the term associated with the extended product warranty. No definition available.
|