2. Significant Accounting Policies (Details - Warranty accrual) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Jan. 02, 2016 |
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| Changes in warranty accrual | ||
| Beginning Balance | $ 42 | |
| Standard accrual based on units sold | 17 | $ 45 |
| Actual costs incurred | (16) | (16) |
| Periodic accrual adjustments | (17) | (17) |
| Ending Balance | $ 26 | $ 42 |
| 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. 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 | ||||||||||
- Definition Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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