Note 13 - Income Taxes - Liability for Uncertain Tax Positions (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Mar. 27, 2021 |
Mar. 28, 2020 |
|
| Balance as of beginning of year | $ 132,000 | $ 123,000 |
| Decrease based on current year tax positions | (80,000) | |
| Increase based on current year tax positions | 9,000 | |
| Balance as of end of year | $ 52,000 | $ 132,000 |
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|