Note 8 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Feb. 28, 2022 |
Nov. 30, 2021 |
|
| Standard Product Warranty, Term (Year) | 1 year | |
| Extended Product Warranty, Term (Year) | 3 years | |
| Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 10 | $ 10 |
| X | ||||||||||
- Definition Represents the term associated with the extended product warranty. No definition available.
|
| X | ||||||||||
- Definition Represents the term associated with the standard product warranty. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|