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Summary of Significant Accounting Policies and Nature of Operations (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
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Jun. 30, 2012
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Dec. 29, 2012
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Dec. 31, 2011
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| Aggregate warranty liabilities | |||
| Warranty liabilities, beginning of period | $ 384 | $ 154 | |
| Adjustments to preexisting warranty liabilities | 232 | (232) | |
| Additions to warranty liabilities | 248 | 352 | |
| Reductions to warranty liabilities | (118) | (122) | |
| Warranty liabilities, end of period | $ 282 | $ 384 | |
| X | ||||||||||
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- Definition
Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting extended product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to standard product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| 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. 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 related to payments to satisfy claims for standard and extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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