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v3.7.0.1

Debt (Narrative) (Details) - USD ($) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Apr. 01, 2017 | Apr. 02, 2016 | Dec. 31, 2016 | Jan. 02, 2016 | Nov. 18, 2015
Long-term debt |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ 0.66 |  | $ 0.66 | $ 0.59 |
Amortization of debt discount | $ 54,000 | $ 54,000 |  |  |
Lease payments | 12,000 |  |  |  |
Insurance policy payments | 29,000 |  |  |  |
SVIC Warrant |  |  |  |  |
Long-term debt |  |  |  |  |
Number of shares which may be purchased under warrant |  |  |  |  | 2,000,000
Exercise price of warrants (in dollars per share) |  |  |  |  | $ 0.30
Fair value of warrants | 1,165,000 |  |  |  |
Warrant value recorded as debt discount | 154,000 |  |  |  |
SVIC Senior Secured Convertible Promissory Note |  |  |  |  |
Long-term debt |  |  |  |  |
Face amount |  |  |  |  | $ 15,000,000
Interest rate (as a percent) |  |  |  |  | 2.00%
Debt conversion price (in dollars per share) |  |  |  |  | $ 1.25
SVIC Senior Secured Convertible Promissory Note | Interest Expense |  |  |  |  |
Long-term debt |  |  |  |  |
Amortization of debt discount | $ 54,000 | $ 54,000 |  |  |

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- Definition Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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