1. Background and Basis of Presentation (Details Narrative) - W |
12 Months Ended | |
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Dec. 30, 2017 |
Dec. 31, 2016 |
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| Number of weeks reflected in operating results | 52 | 52 |
| ARCA Advanced Processing, LLC [Member] | ||
| Interest in a joint venture (as a percent) | 50.00% | |
| X | ||||||||||
- Definition Represents the number of weeks reflected in the operating results. No definition available.
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| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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