Note 3 - Other Accrued Liabilities (Details Textual) - USD ($) |
Dec. 26, 2021 |
Mar. 28, 2021 |
|---|---|---|
| Other Accrued Liabilities, Current | $ 612,000 | $ 215,000 |
| Contract with Customer, Liability, Current | $ 26,000 | $ 85,000 |
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|