Note 13 - Loss Per Common Share - Net Loss and Common Shares Used in Per Share Computations (Details) - shares shares in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 25, 2017 |
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| Anti-dilutive securities excluded from computation of earning per share (in shares) | 7,597 | 6,695 |
| Equity Option [Member] | ||
| Anti-dilutive securities excluded from computation of earning per share (in shares) | 1,479 | 1,105 |
| Restricted Stock [Member] | ||
| Anti-dilutive securities excluded from computation of earning per share (in shares) | 300 | |
| Convertible Debt Securities [Member] | ||
| Anti-dilutive securities excluded from computation of earning per share (in shares) | 1,858 | 1,853 |
| Warrant [Member] | ||
| Anti-dilutive securities excluded from computation of earning per share (in shares) | 3,960 | 3,737 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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