Note 1 - Summary of Significant Accounting Policies - Activity in the Reserve Account (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 25, 2017 |
Mar. 26, 2016 |
|
| Beginning balance | $ 45 | $ 45 |
| Provisions for doubtful accounts | ||
| Write-off of doubtful accounts | ||
| Ending balance | $ 45 | $ 45 |
| X | ||||||||||
- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the allowance for doubtful accounts. No definition available.
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|