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Concentrations of Risk (Tables) | 12 Months Ended
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Dec. 28, 2013
Risks and Uncertainties [Abstract] |
Schedules of Concentration of Risk, by Risk Factor | The following table depicts the customer’s trade receivable balance as a percentage of gross trade receivables as of the end of the year indicated. (The symbol “*” indicates that accounts receivables from that customer were less than 10% of the Company’s total accounts receivable.)
| Percent of Gross Accounts Receivable
Customer | 2013 |  | 2012
Company A | 22 |  | *
Company B | 12 |  | *
Company C | 12 |  | *
Company D | * |  | 37
Company E | * |  | 12
Sales to significant non-affiliated customers for fiscal years 2013, 2012 and 2011, as a percentage of total revenues, is shown in the table below. Note the caption “Military Customers in Total” in the table below excludes research and development contracts. The Company sells its displays to Japanese customers through Ryoden Trading Company. (The symbol “*” indicates that sales to that customer were less than 10% of the Company’s total revenues.)
| Sales as a Percent of Total Revenue
| Fiscal Year
Customer | 2013 |  | 2012 |  | 2011
Military Customers in Total | 38 |  | 57 |  | 60
Company A | 18 |  | 12 |  | 15
Company D | 13 |  | 22 |  | 23
Company E | * |  | 21 |  | 18
Company F | * |  | * |  | 10
United States Government Funded Research and Development Contracts | 7 |  | 10 |  | 8

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 21, 22, 23, 24, 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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