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Significant Accounting Policies (Details 5) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jan. 03, 2015
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Dec. 28, 2013
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Dec. 31, 2011
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| Changes in warranty accrual | |||
| Beginning Balance | $ 34us-gaap_ProductWarrantyAccrualClassifiedCurrent | $ 47us-gaap_ProductWarrantyAccrualClassifiedCurrent | |
| Standard accrual based on units sold | 31us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | 40us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | |
| Actual costs incurred | (16)us-gaap_StandardProductWarrantyAccrualPayments | (16)us-gaap_StandardProductWarrantyAccrualPayments | |
| Periodic accrual adjustments | (19)us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease | (37)us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease | |
| Ending Balance | $ 30us-gaap_ProductWarrantyAccrualClassifiedCurrent | $ 34us-gaap_ProductWarrantyAccrualClassifiedCurrent | $ 47us-gaap_ProductWarrantyAccrualClassifiedCurrent |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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