Summary of Significant Accounting Policies and Nature of Operations - Aggregate Warranty Liabilities (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Jan. 02, 2016 |
Jan. 03, 2015 |
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| Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] | ||
| Warranty liabilities, beginning of period | $ 218 | $ 296 |
| Adjustments to preexisting warranty liabilities | (109) | (123) |
| Additions to warranty liabilities | 53 | 119 |
| Reductions to warranty liabilities | (52) | (74) |
| Warranty liabilities, end of period | $ 110 | $ 218 |
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- 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 | ||||||||||
- 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 | ||||||||||
- Definition Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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