Note 9 - Financial Instruments and Risks - Outstanding Foreign Currency Forward Contracts (Details) - 12 months ended Dec. 30, 2018 $ in Thousands, $ in Thousands |
USD ($) |
MXN ($) |
|---|---|---|
| Buy/Sell | Buy | |
| Foreign Currency Amount | $ 7,537 | |
| Notional Contract Value in USD | $ 369 |
| X | ||||||||||
- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Nominal or face amount used to calculate payments on the derivative liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition General discussion of the entity's foreign currency derivative activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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