Note 9 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Aug. 31, 2023 |
Aug. 31, 2022 |
Aug. 31, 2023 |
Aug. 31, 2022 |
May 31, 2023 |
Nov. 30, 2022 |
Aug. 01, 2022 |
May 31, 2022 |
Nov. 30, 2021 |
|
| Standard Product Warranty, Term (Year) | 1 year | ||||||||
| Extended Product Warranty, Term (Year) | 3 years | ||||||||
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 3,642 | $ 3,642 | $ 4,200 | $ 5,915 | $ 2,500 | $ 1,700 | |||
| Accounts Receivable, Allowance for Credit Loss | 50 | 50 | 10 | 10 | 10 | 10 | |||
| Contract with Customer, Liability | 800 | 800 | $ 600 | $ 1,300 | $ 1,300 | $ 400 | $ 1,100 | ||
| Contract with Customer, Liability, Revenue Recognized | $ 400 | $ 20 | $ 500 | $ 30 | |||||
| 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, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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