Concentration of Credit Risks - Additional Information (Detail) - Customer |
12 Months Ended | |
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Dec. 30, 2017 |
Dec. 31, 2016 |
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| Concentration Risk [Line Items] | ||
| Number of major customers | 3 | 3 |
| Sales percentage by customer percentage maximum (no more than) | 5.00% | |
| Accounts Receivable | ||
| Concentration Risk [Line Items] | ||
| Major customer, accounted percentage | 26.98686% | 34.30% |
| Total Revenues | ||
| Concentration Risk [Line Items] | ||
| Major customer, accounted percentage | 45.80% | 46.10% |
| Customer Concentration Risk | Total Revenues | UNITED STATES | ||
| Concentration Risk [Line Items] | ||
| Number of separate customers | 2 | |
| Customer Concentration Risk | Total Revenues | Minimum | ||
| Concentration Risk [Line Items] | ||
| Major customer, accounted percentage | 10.00% | |
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- Definition Concentration risk number of customers. No definition available.
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- Definition Number of customers accounted for net sales. No definition available.
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- Definition Sales Percentage By Customer Percentage Maximum No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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