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Balance Sheet Components (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 30, 2012 | Jan. 01, 2012 | Jan. 02, 2011 | Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Depreciation and amortization | $ 1,223,000 | $ 1,220,000 | $ 1,236,000 |
Capital asset recorded | 800,000 |  |  | 1,100,000
Accumulated depreciation on capital lease assets | 301,000 |  |  | 810,000
Capital leases | $ 426,000 | $ 287,000 |  |

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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