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Concentrations of Credit and Operation Risk (Details) (Narrative)
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Dec. 29, 2012
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Dec. 31, 2011
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| Concentration Risk [Line Items] | ||
| Number of concentrated customers accounted in consolidated accounts receivable | 3 | 3 |
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Top Customer One
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| Concentration Risk [Line Items] | ||
| Percentage of accounts receivable | 22.00% | 15.00% |
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Top Customer Two
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| Concentration Risk [Line Items] | ||
| Percentage of accounts receivable | 16.00% | 15.00% |
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Top Customer Three
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| Concentration Risk [Line Items] | ||
| Percentage of accounts receivable | 14.00% | 14.00% |
| X | ||||||||||
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. No definition available.
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| X | ||||||||||
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- Definition
Number of concentrated customers accounted in total consolidated accounts receivable. No definition available.
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| X | ||||||||||
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- Details
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