Note 9 - Fair Value - Summary of Changes in Gains and Losses (Details) - Fair Value, Inputs, Level 3 [Member] - Warrant [Member] - Derivative Financial Instruments, Liabilities [Member] - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 25, 2017 |
Mar. 26, 2016 |
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| Warrant liability at beginning of year | $ 353 | $ 341 |
| Gains on adjustment of warrant liability to fair value | (136) | |
| Losses on adjustment of warrant liability to fair value | 5 | 12 |
| Warrant liability at end of period | $ 222 | $ 353 |
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- Definition Amount of gain recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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- Definition Amount of loss recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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