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Debt (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 30, 2017
--- | --- | ---
Debt |  |
Debt outstanding | $ 15,137 | $ 14,766
Less current portion | (115) |
Long-term debt, net of current portion and debt discount | 15,022 | 14,766
SVIC Senior Secured Convertible Promissory Note |  |
Debt |  |
Debt outstanding | 14,239 | 14,132
Debt discount and debt issuance costs | 761 | 868
Accrued interest on convertible promissory note with SVIC |  |
Debt |  |
Debt outstanding | 783 | $ 634
Note payable |  |
Debt |  |
Debt outstanding | $ 115 |

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- Definition Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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