7. Deposits and other assets (Details Narrative) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 01, 2017 |
Jul. 02, 2016 |
Jul. 01, 2017 |
Jul. 02, 2016 |
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| Assets, Noncurrent [Abstract] | ||||
| Amortization expense related to recycling contract | $ 0 | $ 0 | $ 0 | $ 0 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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